# Big Brother (franchise)

Big Brother is a reality competition television franchise created by John de Mol Jr., first broadcast in the Netherlands in 1999 and subsequently syndicated internationally. The show features contestants called "housemates" or "HouseGuests" who live together in a specially constructed house that is isolated from the outside world. The name is inspired by Big Brother from George Orwell's novel Nineteen Eighty-Four, and the housemates are continuously monitored during their stay in the house by live television cameras as well as personal audio microphones. Throughout the course of the competition, they are voted out of the house (usually on a weekly basis) until only one remains and wins the cash prize.
As of 5 August 2023, there have been 508 seasons of Big Brother in over 63 franchise countries and regions. English-language editions of the program are often referred to by its initials BB.

## Premise

At regular intervals, the housemates privately nominate a number of their fellow housemates whom they wish to be evicted from the house. The housemates with the most nominations are then announced, and viewers are given the opportunity to vote via telephone for the nominee they wish to be evicted or saved from eviction. The last person remaining is declared the winner.
Some more recent editions have since included additional methods of voting, such as voting through social media and smartphone applications. Occasionally, non-standard votes occur, where two houseguests are evicted at once or no one is voted out. In the earlier series of Big Brother, there were 10 contestants with evictions every two weeks. However, the British version introduced a larger number of contestants with weekly evictions. Most versions of Big Brother follow the weekly eviction format, broadcast over approximately three months for 16 contestants.
The contestants are required to do housework and are assigned tasks by the producers of the show (who communicate with the housemates via the omnipresent authority figure known to them only as "Big Brother"). The tasks are designed to test their teamwork abilities and community spirit. In some countries, the housemates' shopping budget or weekly allowance (to buy food and other essentials) depends on the outcome of assigned tasks.

## History
### Name

The term Big Brother originates from George Orwell's novel Nineteen Eighty-Four, with its theme of continuous oppressive surveillance. The program also relies on other techniques, such as a stripped back-to-basic environment, evictions, weekly tasks and competitions set by Big Brother, and the "Diary Room" (or "Confession Room") where housemates convey their private thoughts to the camera and reveal their nominees for eviction.

### Creation

The first version of Big Brother was broadcast in 1999 on Veronica in the Netherlands. In the first season of Big Brother, the house was very basic. Although essential amenities such as running water, furniture, and a limited ration of food were provided, luxury items were often forbidden. This added a survivalist element to the show, increasing the potential for social tension. Nearly all later series provide a modern house for the contest with a Jacuzzi, sauna, VIP suite, loft, and other luxuries.

### International expansion

The format has become an international TV franchise. While each country or region has its own variation, the common theme is that the contestants are confined to the house and have their every action recorded by cameras and microphones and that no contact with the outside world is permitted.
Most international versions of the show remain quite similar: their main format remains true to the original fly on the wall observational style with an emphasis on human relationships, to the extent that contestants are usually forbidden from discussing nominations or voting strategy. In 2001, the American version adopted a different format since the second season, where the contestants are encouraged to strategize to advance in the game; in this format, the contestants themselves vote to evict each other and a Jury of Evicted contestants vote for the winner. Occasionally, individual game twists and format changes may allow for some viewer voting, usually to give a game advantage to the Housemates selected by the viewer vote. Big Brother Canada, introduced in 2013, also follows the American format, while the Australian series also used an American-styled format when the series was rebooted in 2020, with the winner being decided by Australia's vote among the Finalist.
Other international versions have included aspects of the American format. In 2011, the British version controversially adopted the discussion of nominations before reversing this rule after a poll by Big Brother broadcaster Channel 5.

## Reception
### Overview

From a sociological and demographic perspective, Big Brother allows an analysis of how people react when forced into close confinement with people outside of their comfort zone (having different opinions or ideals, or from a different socioeconomic group). The viewer has the opportunity to see how a person reacts from the outside (through the constant recording of their actions) and the inside (in the Diary or Confession Room). The Diary Room is where contestants can privately express their feelings about the game, strategy and the other contestants. The results range from violent or angry confrontations to genuine and tender connections (often including romantic interludes).
In 2011, Brazilian sociologist Silvia Viana Rodrigues wrote a thesis at the University of São Paulo analyzing reality shows as spectacles that proliferate rituals of suffering. She analyzes such rituals in various cultural products from Hollywood and Brazilian television, with special attention to Big Brother Brasil. When investigating the openly eliminatory and cruel face of the game, Silvia Viana points out that such characteristics are liable to be entertainment with great and crucial public engagement because such processes of elimination, competition, exclusion, the affirmation of the war of all against all, of self-management and personal self-control through socio-emotional skills, entrepreneurship, the banality of evil, the naturalization of torture, the "battle for survival" logic and the incorporation of Nazi language and elements are already part of contemporary social life, especially in the context of work under neoliberalism. The thesis was later published as a book.
The show is notable for involving the Internet. Although the show typically broadcasts daily updates during the evening (sometimes criticized by viewers and former contestants for heavy editing by producers), viewers can also watch a continuous feed from multiple cameras on the Web in most countries. These websites were successful, even after some national series began charging for access to the video stream. In some countries, Internet broadcasting was supplemented by updates via email, WAP and SMS. The house is shown live on satellite television, although in some countries there is a 10–15 minutes delay to allow libelous or unacceptable content (such as references to people not participating in the program who have not consented to have personal information broadcast) to be removed.
Contestants occasionally develop sexual relationships; the level of sexual explicitness allowed to be shown in broadcast and Internet-feed varies according to the country's broadcasting standards.

### Isolation

Big Brother contestants are isolated in the house, without access to television, radio, or the Internet. They are not permitted routine communication with the outside world. This was an important issue for most earlier series of the show. In more-recent series, contestants are occasionally allowed to view televised events (usually as a reward for winning at a task). In most versions of the program, books and writing materials are also forbidden, although exceptions are sometimes made for religious materials such as the Bible, Tanakh or the Qur'an. Some versions ban all writing implements, even items that can be used to write (such as lipstick or eyeliner). Despite the housemates' isolation, some contestants are occasionally allowed to leave the house as part of tasks. Contestants are permitted to leave the house in an emergency.
News from the outside world may occasionally be given as a reward. Additionally, news of extraordinary events from the outside world may be given to the Housemates if such information is considered important, such notable past examples include that of national election results, (along with Housemates being able participate in said elections, for countries with compulsory voting) the September 11 attacks, and the COVID-19 pandemic.
Contestants have regularly scheduled interactions with the show's host on eviction nights. Throughout each day, the program's producer, in the "Big Brother" voice, issues directives and commands to contestants. Some versions of the show allow private counselling sessions with a psychologist. These are allowed at any time and are often conducted by telephone from the Diary Room.

## Format changes and twists
### Regional versions

Due to the intelligibility of certain languages across several nations, it has been possible to make regional versions of Big Brother. All of these follow the normal Big Brother rules, except that contestants must come from each of the countries in the region where it airs: Big Brother Albania of Albania and Kosovo, Big Brother Angola e Moçambique of Angola and Mozambique, Big Brother Africa of Africa (includes Angola, Botswana, Ethiopia, Ghana, Kenya, Liberia, Malawi, Mozambique, Namibia, Nigeria, Rwanda, Sierra Leone, South Africa, Tanzania, Uganda, Zambia and Zimbabwe), Big Brother: الرئيس of the Middle East (includes Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Oman, Saudi Arabia, Somalia, Syria and Tunisia), Gran Hermano del Pacífico of South America (includes Chile, Ecuador and Peru), Big Brother of Scandinavia (includes Norway and Sweden) and Veliki brat of the Balkans (includes Serbia, Montenegro, Croatia, Bosnia and Herzegovina and North Macedonia). The British version of the show previously accepted Irish applicants, however the terms and conditions of ITV2's reboot state you must reside in the UK.
On the other hand, some countries have multiple franchises based on language. Bigg Boss of India has the most regional-based versions Hindi, Marathi, Tamil, Bengali, Telugu, Kannada and Malayalam language versions; Canada has French- and English-language versions; and the United States has English- and Spanish-language versions of the show.
The Pakistani television program Tamasha recently became a part of the franchise. Initially produced by ARY Digital, a Pakistani TV channel, the reality show's first season garnered significant success and audience engagement, with its different twists and tasks being the main concept of the show. During its second season, the show officially adopted the original format of Big Brother. As of 2023, it stands as the sole franchise of the Big Brother format in Pakistan, with the show being conducted exclusively in the Urdu language.

### Twists involving single franchises
#### Multiple areas and houses

In 2001, Big Brother 3 of the Netherlands introduced the "Rich and Poor" concept, in which the house is separated into a luxurious half and a poor half, and two teams of housemates compete for a place in the luxurious half. The Dutch version continued this concept to the end of its fourth season. Other versions later followed and introduced a similar concept, of which some have their own twists: Africa (in 2010, 2011, 2012 and 2013), Albania (in 2010), Australia (in 2003 and 2013), Balkan States (in VIP 2010 and 2011), Brazil (2009–present), Canada (2013–2024), Denmark (in 2003), Finland (in 2009 and 2014), France (in 2009, 2011–2017), Germany (in 2003, 2004–05, 2005–06, 2008, 2008–09 and since Celebrity 2014), Greece (in 2003), India (in 2012 and 2013), Israel (in 2009), Italy (in 2006 and 2007), Norway (in 2003), Philippines (in 2009, Teen 2010 and 2011), Poland (in 2002), Portugal (in VIP 2013 and 2016), Slovakia (in 2005), Slovenia (in 2008, 2015 and 2016), Scandinavia (in 2005), South Africa (in 2014), Spain (in VIP 2004, 2008, 2009–10 and 2010), United Kingdom (in 2002, Celebrity 2007, 2008, Celebrity 2013 and 2016), United States (2009–present) and Tamil Nadu, India (2023–24)
In 2011–12, the seventh Argentine series added La Casa de al Lado ("The House Next Door"), a smaller, more luxurious house which served multiple functions. The first week it hosted 4 potential housemates, and the public voted for two of them to enter the main house. The second week, two pairs of twins competed in the same fashion, with only one pair allowed in. Later, the 3rd, 4th and 5th evicted contestants were given the choice of staying on their way out and they competed for the public's vote to reenter the house. Months later, after one of the contestants left the house voluntarily, the House Next Door reopened for four contestants who wanted to reenter and had not been in such a playoff before. The House Next Door was also used in other occasions to accommodate contestants from the main house for limited periods of time, especially to have more privacy (which of course could be seen by the public).
The ninth Brazilian season featured the "Bubble": a glass house in a shopping mall in Rio de Janeiro where four potential housemates lived for a week. Later in the season, a bubble was built inside the Big Brother house, with another two housemates living in it for a week until they were voted in and the glass house dismantled. The Glass House was reused in the eleventh season, featuring five evicted housemates competing for a chance to join the house again, and in the thirteenth season, with six potential housemates competing for two places in the main house. A dividing wall from the ninth season was reused in the fourteenth Brazilian season, when mothers and aunts of the housemates entered for International Women's Day and stayed in the house for 6 days, though they could not be seen by the housemates. Every season brings back the glass house. Some editions also featured an all-white panic room, where contestants were held until one of them decided to quit the show.
In the fourth English-Canadian season, two house guests were evicted and moved into a special suite where they were able to watch the remaining house guests. A week later, the houseguests were required to unanimously decide which of them to bring back into the house.

#### Evil Big Brother

In 2004, the fifth British series introduced a villainous Big Brother with harsher punishments, such as taking away prize money, more difficult tasks and secret tricks. This concept has also been used in Australia, Belgium, Bulgaria, Croatia, Finland, Germany, Greece, Italy, the Netherlands, South America, Scandinavia, Serbia, Spain, Thailand, Philippines and Mexico.

#### Twin or triplet housemates

In 2004, the fifth American season introduced twins who were tasked with secretly switching back and forth in the house; they were allowed to play the game as individual house guests after succeeding at the deception for four weeks. This twist was reused in the seventeenth American season without the deception element – the pair simply needed to survive five weeks without being evicted. HouseGuests who discovered this twist could use the twins to their strategic advantage.
This twin or triplet twist was used in several countries. Some made modifications to this twist; others have had twins in the house together without this element of secrecy. The following are the countries that have featured twins or triplets: Australia (in 2005), Germany (in 2005–06), Brazil (in 2006 and 2015), Bulgaria (in 2006, 2012 and VIP 2017), United Kingdom (in 2007, Celebrity 2011, Celebrity 2012, 2013, 2015, 2016 and Celebrity 2017), France (in 2007, 2011, 2013, 2015 and 2016), Spain (in 2007 and 2013), Poland (in 2007 and 2019), India (in 2008), Africa (in 2009), Balkan Region (in 2009 and 2013), Philippines (in 2009, Teen 2012 and 2014), Portugal (in 2010 and 2012), Israel (in 2011), Ukraine (in 2011), Argentina (in 2011 and 2016), Albania (in 2013, 2017, Celebrity 2021–22 and Celebrity 2022–23), Greece (in 2020) and Kosovo (in Celebrity 2022–23).

#### Pairs competitions

Several versions of the program feature variations of the housemates competing in pairs:
* In the sixth American season, each HouseGuest had a secret partner with whom had a pre-existing relationship, with each pair being informed that they were the only secret pair. While each player was nominated and evicted as an individual, each pair had the goal of reaching being the Final 2 HouseGuests remaining. Should a secret pair succeed in this goal, the prize money awarded to the winner and runner-up would jackpot – the winner's prize doubling from $500,000 to $1,000,000 and the runner-up's prize quintupling from $50,000 to $250,000.
* During the tenth week of the seventh British series, the housemates were paired with their "best friend" in the house and had to nominate and face eviction as couples.
** The ninth American season added a romantic theme by pairing up the HouseGuests with their "Soulmate" and having them compete as couples. This twist was active for the first 3 weeks of the season.
** The 13th American season featured a further twist to the pairs format by introducing the "Dynamic Duos" twist, where contestants formed pairs that would be nominated together but evicted separately. The nominee not evicted would be immune from further nomination until there were 10 HouseGuests remaining, at which point the pairs were dissolved. This twist was repeated in 24th American season, except with the surviving partner joining another pair to compete alongside.
* The second season of the Philippine teen edition also featured the parents or guardians of the teens staying in the house; if a teen housemate was evicted, the coinciding parent or guardian would also be evicted. A similar twist was used on the fourth Greek season was dubbed Big Mother; it featured housemates accompanied by their mothers.
* In the ninth season of Indian Big Brother, Big Boss: Double Trouble, contestants entered the house tied up in pairs by the waist. They had joint chairs, beds, spoons, and even mugs. The twelfth season of Indian Big Brother, Bigg Boss 12 also featured jodis (pairs) who were Teacher-Student, Policeman-Lawyer, sister-sister, etc.
* In the ninth Albania season, all the housemates wherever were in couples and for the first time in the history of Big Brother Albania, the winner was a couple (Danjel Dedndreaj and Fotini Derxho).

#### Secret missions

Secret missions are a common element of the show since their introduction during the sixth British series. During these missions, one or more housemates are set a task from Big Brother with the reward of luxuries for the household and/or a personal reward if the task is successful. Some versions of Big Brother have secret tasks presented by another character who lives in plain sight of the housemate. Such characters include Marsha the Moose (from BB Canada) and Surly the Fish (from BB Australia).
The third Belgian season introduced a mole. This housemate was given secret missions by Big Brother.
The eighth American season introduced "America's Player", where a selected house guest must complete various tasks (determined by public vote) in secret for the duration of their stay in the house in exchange for a cash reward. It was repeated in the tenth American season for a week. The eleventh American season featured Pandora's Box, in which the winning head of household was tempted to open a box, with unintended consequences for the house. The twelfth American season featured a saboteur, who entered the house to wreak havoc with tasks suggested by viewers. The sixteenth American season featured "Team America", in which 3 houseguests were selected to work as a team to complete tasks (determined by public voting) for a cash reward; this continued for the entire season despite the eviction of a team member.
The fourth Argentine series added a telephone in the living room. This telephone rang once a week for ten seconds, and the person to pick up the receiver was given an order or news from Big Brother (which typically no other housemate could hear). The order could be beneficial or detrimental, but a refused order resulted in the nomination for eviction. If nobody picked up the call, the whole house would be nominated for eviction.

#### Opening night twists

Since Big Brother 2, the British series has opened with a twist. This has included having potential Housemates being voted upon by the public for one to enter the house (Big Brother 2 & Big Brother 13); public voting for least-favourite housemates, with the housemates choosing between two nominees to evict (Big Brother 3); first-night nominations (Big Brother 4 & Big Brother 13); suitcase nominations (Big Brother 5); Unlucky Housemate 13 (Big Brother 6); Big Brother Hood (Big Brother 7); an all-female house and a set of twins as contestants (Big Brother 8); a couple entering as housemates, who must hide their relationship (Big Brother 9); housemates having to earn housemate status (Big Brother 10, with an altered version of the twist appearing in Big Brother 21); a mole entering the house with an impossible task (Big Brother 11); Pamela Anderson entering as a guest for 5 days (Big Brother 12); a professional actor posing as a housemate and a mother and daughter as contestants (Big Brother 14); one contestant gets a pass to the final (Big Brother 15); first night eviction (Big Brother 16); two houses with "the other house" featuring enemies from the main house housemates past (Big Brother 17); Jackie Stallone entering a house containing her son's ex-wife Brigitte Nielsen (Celebrity Big Brother 3); a "fake celebrity" (a civilian contestant pretending to be a celebrity) in a celebrity edition (Celebrity Big Brother 4); a visit from Jade Goody's family (Celebrity Big Brother 5) and unlocked bedrooms allowing housemates to immediately claim beds with the last housemate becoming the Head of House (Celebrity Big Brother 6).
A common opening twist is to introduce only a cast of a single sex on the premiere of the show while having members of the opposite sex introduced over the next few days. The eighth British series first used this twist with an initial all-female house, adding a male housemate two days later. The same twist was used in the fourth Bulgarian series, and an all-male premiere was used on Big Brother Africa 4. The second Belgian season was used a similar twist in 2001, where eleven male housemates and one female housemate entered the house on launch night and the second female housemate entered the house on the third day.

#### Fake evictions

The fifth British series introduced fake evictions, where Big Brother misleads housemates that eviction has taken place, only for the "evicted" housemate to reenter the house sometime later.
In the eighth British series, one housemate was evicted, interviewed and sent back into the house.
In the fifth Philippine season, four housemates were fake-evicted and stayed in a place called bodega. In the second batch of the eight Philippine season, four housemates were fake-evicted due to losing their duel challenge and temporarily stayed in a secret room. In the adult edition of the tenth Philippine season, two housemates, and later three more, were fake evicted after failing in two different Ligtask challenges and temporarily stayed in the task room until the end of their weekly task.
The concept of the fake-eviction was incorporated into the Australian series for the first time in the sixth Australian season, when housemates Camilla Severi and Anna Lind-Hansen were both fake-evicted in Day 8 and were moved into a secret room in the house, the Revenge Room. Severi and Lind-Hansen could see who nominated them for eviction and were given the opportunity to wreak havoc upon the house and those who nominated them by constructing extravagant tasks for the housemates to complete and for making mess in the house when they were not looking. Severi and Lind-Hansen returned to the house in a live special on Day 10. In the tenth Australian season, Benjamin Zabel was fake evicted for 24 hours before being returned to the house with immunity from eviction for that week. In the eleventh Australian season Travis Lunardi was fake-evicted and received advice from Benjamin Zabel for 24 hours; Travis returned to the house after a 3-day absence with immunity from eviction for that week.
In the thirteenth Brazilian series, Anamara Barreira was fake evicted. She was removed and put into a small private apartment without the other housemates knowing she was still in the house. After 24 hours, she returned to the house as Head of Household and with immunity from eviction that week. In the sixteenth Brazilian series, Ana Paula Renault was similarly fake evicted, put into a small private apartment, and returned after 48 hours with immunity from eviction that week. In the eighteen Brazilian series, Gleici Damasceno was similarly fake evicted, put into a small private apartment, and returned after 72 hours with immunity from eviction and with the power to put someone to eviction.
In the first Turkish series, there is a fake eviction in week 10.
The Indian version Bigg Boss sees frequent fake evictions. In Bigg Boss Kannada season 4, winner Pratham and co-contestant Malavika were kept in secret room after fake eviction for one week and they were both allowed in the Bigg Boss house.
Similarly, in Bigg Boss Kannada season 5, firstly Jaya Srinivasan and Sameer Acharya were put into the secret room after fake eviction for one week and then Sameer Acharya was allowed into the house, but Jaya Srinivasan was evicted from the secret room itself. In the same season, the runner up Divakar was put into the secret room after fake eviction for one week.

#### Coaches

The fourteenth American season had four house guests from past seasons return to coach twelve new house guests, playing for a separate prize of $100,000. However, in a reset twist, they opted to join the normal game alongside the other house guests.

#### Red button

The seventh Argentine series incorporated a red button into the Confession Room, which would sound an alarm throughout the house. This button was to be used when a contestant wanted to leave the house voluntarily, and the contestant would be given five minutes to leave the house. A red button is also used in Secret Story series, however, in this case whoever presses the button will try to guess someone's secret.

#### Legacy rewards or penalties

In Celebrity Hijack UK, evicted housemates were given the opportunity to choose if a "ninja" delivered good or bad gifts to the house. Later that year, the eighth Australian series introduced the Housemate Hand Grenade, where an evicted housemate decided which, remaining housemate received a penalty. A similar punishment used on Big Brother Africa was called the Molotov Cocktail, Dagger or Fuse.

#### Most valuable player

The fifteenth American season allowed viewers to vote for a house guest to be made M.V.P., who then secretly nominates a third houseguest for eviction (in addition to the two selected by the Head of Household).
In a further twist introduced part-way through the MVP twist, the viewers themselves decided who the third nominee would be, with the HouseGuests still thinking one of their own is the MVP. Like many such twists, this was ended halfway into the season as the pool of contestants shrank.

#### Multiple heads of household

The sixteenth and seventeenth American seasons featured two Heads of Household every week and had four houseguests nominated for eviction. There was also a "Battle of the Block" competition where the two sets of nominees competed to save themselves; the winning pair not only saved themselves but dethroned the Head of Household who nominated them, who was then vulnerable as a replacement nominee if a veto was used. It is also used in specific weeks in Brazil since Big Brother Brasil 16 where the HOH's have to choose which HoH will get R$10,000 and who is the one that will win immunity.

#### America's Favorite HouseGuest

In the American version, each season there are three cash prizes: $750,000 for the winner, $75,000 for second, and $50,000 for who was voted by the viewers to be America's Favorite HouseGuest.

#### Multiple winners

In 2011, Big Brother Africa season 6 was the first season of Big Brother to have two winners, each getting US$200,000.
In 2012, the four finalists from Gran Hermano 12+1 (Spain) were given the chance to choose a formerly evicted housemate to be their partner. The companion of the winner became the "+1 winner" and received a secondary prize of €20,000.
In 2015, the sixth Philippine season, also had two winners; one from the teens and one from the regular adults. Each of which received PHP1,000,000.
Bigg Boss 8 (India) ended with a twist, where the top five contestants were crowned 'champions'. The season was extended by 35 days (total 135) as a spin-off called Bigg Boss Halla Bol, where ex-contestants from previous seasons entered the house to compete with the five champions.

#### Reserve housemates

The fourth Philippine season introduced the concept of having reserved housemates, those of whom are short-listed auditioners who were given a chance to be a housemate by completing tasks assigned by Big Brother. It was eventually done also in the eighth Philippine season where the reserved housemates were placed in a camp (a separate House but is just adjacent to the Main House) and that reserved housemate must compete amongst other reserved housemates while gaining points by participating in various tasks, including those that required the participation of doing such tasks outside of the Big Brother House premises. As the eviction was done weekly, once an official housemate is evicted from the Main House, the housemate(s) with the most points earned for that particular week crossovers to the Main House and becomes an official housemate.
These reserved housemates twist was also used in Argentina's seventh season and Brazil's ninth season.

#### Big Brother Zoom

In 2020, due to the COVID-19 pandemic, the Big Brother Portugal revival started with a twist, where all the contestants were isolated in different apartments for 14 days, in line with World Health Organisation (WHO) recommendations. Cameras were filming them 24 hours a day as usual, and they were able to communicate with each other and host Cláudio Ramos using tablets.

### Twists involving multiple franchises
#### Housemate exchanges

In 2002, the Mexican and Spanish editions (BBM1 and GH3) made temporary housemate exchanges. Mexico's Eduardo Orozco swapped with Spain's Andrés Barreiro for 7 days. In 2010, the first 2-housemate exchange was held by Spain and Italy (GH11 and GF10). Gerardo Prager and Saray Pereira from Spain were swapped with Carmela Gualtieri and Massimo Scattarella of Italy for 7 days.
In later years, several housemate exchanges were done around the world: Argentina (GH3) and Spain (GH4), Ecuador (GH1) and Mexico (BBM2), and Africa (BBA1) and United Kingdom (BB4) in 2003; Scandinavia (BB2) and Thailand (BBT2) in 2006; Philippines (PBB2) and Slovenia (BB1), and Argentina (GH5) and Spain (GH9) in 2007; Africa (BBA3) and Finland (BB4) in 2008; Finland (BB5) and Philippines (PBB3) in 2009; Finland (BB6) and Slovenia (BBS1) in 2010; Spain (GH12) and Israel (HH3) in 2010–11; Finland (BB7) and Norway (BB4) in 2011; Argentina (GH7) and Israel (HH4) in 2012; Mexico (BB4) and Spain (GH16) in 2015; and Spain (GHVIP5) and Brazil (BBB17) in 2017.

#### Evicted housemate exchanges

In 2003, Mexico's Isabel Madow (BB VIP2) and Spain's Aída Nízar (GH5) were swapped for 7 days. This twist was also done between Russia (BBR1) and Pacific (GHP1) in 2005, and Argentina (GH4) and Brazil (BBB7) in 2007.

#### Other exchanges

In 2009, as part of the casting process for Italy's GF9, Doroti Polito and Leonia Coccia visited Spain's GH10.
In 2012, four contestants from Denmark's BB4 visited Sweden's BB6 and competed in a Viking-themed challenge. The Danish team won and 'kidnapped' Swedish contestant Annica Englund to the Denmark house for the following week.
In 2012, evicted housemate Laisa Portella of Brazil (from BBB12) was a guest on Spain's Gran Hermano 13 for a week; the following week, non-evicted Noemí Merino of GH13 stayed in the Brazilian Big Brother house for 5 days.
In 2016, Big Brother UK housemate Nikki Grahame and Big Brother Australia housemate Tim Dormer were voted in by Canada to be houseguests on the 4th season of Big Brother Canada. Similarly, Big Brother UK housemate Jade Goody appeared as a housemate on the 2nd season of Bigg Boss Hindi.
Big Brother Australia (2015) contestant Priya Malik joined Bigg Boss 9 (India) the same year as a wild card.
In 2017, GHVIP5 contestant Elettra Lamborghini visited Brazil's BBB17.
In 2019, the winner of Italy's GF15, Alberto Mezzetti visited Brazil's BBB19.
In 2022, Bindhu Madhavi, 4th Runner-up of Bigg Boss Tamil 2017 made her entry as a contestant in a Telugu back to win spin-off named Bigg Boss Non-Stop and emerged as the winner of that show respectively.
After winning the debut season of Bigg Boss Marathi (regional version of Big Brother), winner Megha Dhade made her entry in Bigg Boss season 12 as a wild card contestant.
After winning season 2 of Bigg Boss Marathi (regional version of Big Brother), winner Shiv Thakare made her entry in Bigg Boss 16.

#### Evicted housemate visits

Anouska Golebiewski, an evicted housemate from the United Kingdom (housemate from BB4) visited Australia (BB3) in 2003. In 2005, United Kingdom (Nadia Almada of BB5) visited Australia (BB5) again. In 2006, United Kingdom (Chantelle Houghton of CBB4) visited Germany (BBG6). This twist was used in later years by other countries: Africa (Ricardo Ferreira of BBA3) visited Brazil (BBB9) in 2009; Germany (Annina Ucatis and Sascha Schwan of BBG9) visited the Philippines (PBB3), and Italy (George Leonard and Veronica Ciardi of GF10) visited Albania (BB3) in 2010; Sweden (Martin Granetoft and Peter OrrmyrSara Jonsson of BB5) visited Norway (BB4) in 2011; Brazil (Rafael Cordeiro of BBB12) visited Spain (GH12), and Argentina (Agustín Belforte of GH4) visited Colombia (GH2) in 2012; United States (Dan Gheesling of BB10/BB14) visited Canada (BB1 and the BB2 Jury) in 2013; Canada (Emmett Blois of BB1) visited South Africa (BBM3) in 2014; and Spain (Paula Gonzalez of GH15) visited Mexico (BBM4) in 2015.
A similar event took place between the United States and Canada in 2014 wherein Rachel Reilly (from BB12/BB13) made a video chat to Canada (BB2). Rachel Reilly also appeared on Big Brother Canada's side show, which airs after the eviction episode.

#### Housemates competing in another country

There were occasions that a former housemate from one franchise participated and competed in a different franchise: Daniela Martins of France (SS3) competed in Portugal (SS1); Daniel Mkongo of France (SS5) competed in Italy (GF12); Brigitte Nielsen of Denmark (BB VIP) competed in the United Kingdom (CBB3); Jade Goody of the United Kingdom (BB3, BB Panto, and CBB5) competed in India (BB2); Sava Radović of Germany (BB4) competed in the Balkan States (VB1); Nikola Nasteski of the Balkan States (VB4) competed in Bulgaria (BB All-Stars 1); Žarko Stojanović of France (SS5) competed in the Balkan States (VB VIP5); Željko Stojanović of France (SS5) competed in the Balkan States (VB VIP5); Kelly Baron of Brazil (BBB13) competed in Portugal (BB VIP); Lucy Diakovska of Bulgaria (VIP B4) competed in Germany (PBB1); Leila Ben Khalifa of Italy (GF6) competed in France (SS8); Priya Malik of Australia (BB11) competed in India (BB9); Tim Dormer of Australia (BB10) and Nikki Grahame of the United Kingdom (BB7, UBB) competed in Canada (BB4) after beating Jase Wirey of the United States (BB5, BB7) and Veronica Graf of Italy (GF13) in a public vote; Leonel Estevão-Luto of Africa (BB4) competed in Angola & Mozambique (BB3); Frankie Grande of the United States (BB16) competed in the United Kingdom (CBB18); Fanny Rodrigues of Portugal (SS2) competed in France (SS10); and Tucha Anita of Angola (BB3); Amor Romeira of Spain (GH9) competed in Portugal (SS6) and Alain Rochette of Spain (GH17) competed in France (SS11); Despite being American, Brandi Glanville competed first in the United Kingdom (CBB20) then later competed in first Celebrity series in the United States (CBB1); Aída Nizar of Spain (GH5 and GHVIP5) competed in Italy (GF15); Ivana Icardi of Argentina (GH9) competed in Italy (GF16); Gianmarco Onestini of Italy (GF16) competed in Spain (GHVIP7); Michael Terlizzi of Italy (GF16) competed in Spain (GHVIP8); Heidi Baci of Italy (GF17) competed in Albania (BBVIP3).

### Multiple-franchise competitions

| Series participants | Prize | Points | Winner | Date |
| BB10 Germany BB11 United Kingdom | A screening of the 2010 FIFA World Cup (round of 16) Germany vs. England game | After five penalties, the score was 1–1 and the game went to sudden death. After 36 penalties, German housemate Robert shot the ball wide and UK housemate Ife scored, winning 2–1. | United Kingdom BB11 | 26 June 2010 |

#### Eurovision Song Contest

| Team and Song | Jury's points | Jury's points | Jury's points | Jury's points | Dates | Dates | Dates | Dates | Dates | Winner |
| Team and Song | Italy GF11 | Greece BB5 | Argentina GH6 | Total | Tests | Israel Performance | Spain Performance | Ratings | Closed | Winner |
| GH12: "A-Ba-Ni-Bi" | 12 | 12 | 12 | 36 | 30 December 2010 to 4 January 2011 | 5 January 2011 | 6 January 2011 | 7 January 2011 | 8 January 2011 | GH12 |
| HH3: "Bandido" | 10 | 10 | 10 | 30 | 30 December 2010 to 4 January 2011 | 5 January 2011 | 6 January 2011 | 7 January 2011 | 8 January 2011 | GH12 |

## Special editions
### Celebrity and VIP Big Brother

The Big Brother format has been adopted in some countries; the housemates are local celebrities, and the shows are called Celebrity Big Brother or Big Brother VIP. In some countries, the prize money normally awarded to the winning housemate is donated to a charity, and all celebrities are paid to appear in the show as long as they do not voluntarily leave before their eviction or the end of the series. The rest of the rules are nearly the same as those of the original version.

#### Variations

The 2006 Netherlands series was entitled Hotel Big Brother. This variation introduced a group of celebrity hoteliers and a Big Boss, who run a hotel and collect money for charity without nominations, evictions or a winner.
Another variation appeared in the UK in early 2008, entitled Big Brother: Celebrity Hijack. Instead of being housemates the celebrities became Big Brother himself, creating tasks and holding nominations with the help of Big Brother. The housemates were considered by the producers "Britain's most exceptional and extraordinary" 18- to 21-year-olds. The prize for the winner of the series was £50,000.
In 2009, VIP Brother 3 Bulgaria introduced the concept of celebrities competing for charitable causes, which changed each week. Housemates were sometimes allowed to leave the house to raise money for the charity. Ten out of Thirteen seasons of Bigg Boss (the Indian version of Big Brother) have been celebrity-only seasons. The 10th season of Big Boss had celebrities put up against commoners, where a commoner ultimately won.

### American format

The American and Canadian versions of Big Brother differ from most global versions of the series. The American series began in 2000 with the original Dutch format—i.e., housemates, or HouseGuests, as they are styled in the US, nominating each other for eviction and the public voting on evictions and the eventual winner. But due to both poor ratings and the concurrent popularity of Survivor, a gameplay-oriented format was introduced in the second season, with HouseGuests allowed to strategize, politic and collude to survive eviction, with the entire nomination and eviction process being determined by the HouseGuest themselves.
Each week the HouseGuests compete in several competitions in order to win power and safety inside the house, before voting off one of the HouseGuests during the eviction. The main elements of the format are as follows:
* Head of Household (HoH): At the start of each week in the house, the HouseGuests compete for the title of Head of Household, often shortened to simply HoH. The Head of Household for each week is given luxuries such as their own personal bedroom and the use of an MP3 player but is responsible for nominating two of their fellow HouseGuests for eviction. The Head of Household would not be able to compete in the following week's Head of Household competition; this excludes the final Head of Household competition of the season.
* Power of Veto (PoV): After the nominees are determined, the Power of Veto competition is played, with the winner receiving the Power of Veto. If a HouseGuest chooses to exercise the Power of Veto, the Head of Household is responsible for naming a replacement nominee. The holder of the Power of Veto is saved from being nominated as the replacement nominee. Only six of the HouseGuests compete for the Power of Veto each week; the Head of Household and both nominations compete, as well as three others selected by a random draw. The PoV was introduced in the third American season
* Eviction: On eviction night, all HouseGuests must vote to evict one of the nominees, with the exception of the nominees and the Head of Household. The eviction vote is by secret ballot, with HouseGuests casting their votes orally in the Diary Room. In the event of a tied vote, the Head of Household will cast a tie-breaking vote publicly. The nominee with the majority of the votes is evicted from the house.
Before the sixteenth American season, HouseGuests competed in a Have/Have-Not challenge similar to the shopping tasks on Big Brother UK and other international editions. The winners become Haves and enjoy a full pantry of food, while Have-Nots, will be left with a staple diet of "slop" (fortified oatmeal), sleep in designated uncomfortable beds and take cold showers. In later seasons, the Haves & Have-Nots are determined either by the HoH themself or by the results of the HoH Competition.
When only two contestants remain, a jury formed of the most recently evicted HouseGuests (generally seven or nine) votes which of the two finalists wins the grand prize. Beginning in the fourth (2003) American season, jury members were sequestered off-site so that they would not be privy to the day-to-day goings-on in the house. (Celebrity Big Brother US does not sequester its jury members—all evicted celebrity HouseGuests vote on the winner.). The final Head of Household competition is split into three parts; the winners of the first two rounds compete in the third and final round. Once only two HouseGuests remain, the members of the jury cast their votes for who should win the series.
In addition, American and Canadian Big Brother do not air a live launch show, as is customary in international editions—by the time the network show and live online feeds begin airing, it is not uncommon for at least one HouseGuest to already have been evicted. Also, the North American editions currently air only three times a week, compared with daily or six days a week for the recently rebooted British franchise. As a result, the TV episodes focus primarily on the main events regarding the gameplay and house politics versus the day-to-day goings-on in the house; to see the latter, watching the live feeds is necessary.
In 2013, English-speaking Canada introduced its own version of the show on the cable channel Slice; the series moved to Global TV for its third (2015) season. The show followed the American format but with more elaborate twists and greater viewer participation in the game. Secret tasks were introduced, usually presented by the show's mascot, "Marsha the Moose"; also, as in most global franchises, Big Brother was a distinct character who interacted with the HouseGuests. The French Canadian version mostly followed the American/Anglophone Canadian format, but the public could evict a housemate on some occasions and decided the winner.
The 2020 revival of the Big Brother Australia series adopted a slightly altered version of the American format (having previously used the international format) while pre-recording the series months in advance. A "Nomination Challenge" is held to determine who holds the power to nominate for that round, with the winner naming three Nominations for Eviction. During each eviction, all Housemates (excluding the Nominating Housemate) vote to evict. There is no rule prohibiting individuals holding Nomination Power in consecutively between weeks and no Power of Veto is held. Additionally, the Australian public still decided the winner between the final 3.
Big Brother Brasil combines the American/Canadian and international formats. Brazil votes on evictions and the winner, but housemates compete for HoH, Power of Immunity, and Power of Veto; there is also a weekly shopping competition. HoH nominates one housemate for eviction, while the rest of the house nominates a second housemate. The winner of the Power of Immunity competition gets to choose someone to be safe from nomination.
The pilot for Big Brother China, which premiered exclusively online in 2015, had housemates voting on evictions but the public voting for the winner. A similar format was used for Big Brother: Over the Top, an online-only spin-off of the American series that ran in 2016.
The nineteenth series of Big Brother UK saw the adaption of the "Game Changer" competition which is very similar to the Power of Veto competition. The winner of this competition has the opportunity to save a nominee from eviction. Like the PoV, there are six people that play in the "Game Changer" competition. The process of how the contestants are chosen is different as the people who have been nominated play in the competition along with the richest housemate. If there are empty left in the competition, then the richest housemate hand picks who will playing in that weeks "Game Changer" competition. The winner of the competition, like the PoV, has the option to save housemate from eviction for the week or not use the power at all. Unlike the PoV however, if the winner does save someone then no replacement nominee was named leaving the remaining nominees up for eviction and facing the public vote.

### Other editions

The Big Brother format has been otherwise modified in some countries:
* Big Brother: All-Stars (Belgium, 21 days; Bulgaria: Season 1–5, 27–29 days; United States, 72 days; United Kingdom, 18 days; French Canada, 64 days; Africa, 91 days; Spain, 56 days; Portugal Secret Story: Season 1–4, 22–50 days): Previous housemates from previous seasons compete. Belgium was the first country to have an All-Stars season (2003). Bulgaria was the first country to complete 3 All-Stars seasons (2014). Portugal was the first country to complete 4 All-Stars seasons (2015). Portugal was the first country to complete 5 All-Stars seasons (2017). Portugal was the first country to complete 6 All-Stars seasons (2018).
* Big Brother: Reality All-Stars (Sweden, 6 days; Denmark, 32 days; Spain, 56 days): Contestants from different reality shows, including Big Brother, compete.
* Big Brother: You Decide / Big Brother: Back in the House / Big Brother: Try Out (Poland: Season 1–2, 7–13 days; Norway, 9 days; Serbia, 7 days): Housemates, new or old, compete for a spot in the next regular season without nominations or evictions.
* Teen Big Brother (United Kingdom, 10 days; Philippines: Season 1–4, 42–91 days): Teenagers 13 and older compete.
* Big Brother: All In (Philippines: Season 11, 13): A mix of teenagers, regular adults, and celebrities compete in one season. A variation, Big Brother: Lucky 7 and Big Brother: Otso, has three to four batches of housemates stay inside until a number for each batch is left and is joined by other members of other batches to form one new batch.
* Secret Story (France, Lithuania, Portugal, Netherlands, Peru, Albania, Spain and Africa): Each housemate has a secret.
* Big Brother Panto (United Kingdom, 11 days): Housemates from the previous series spent time in the Big Brother House to perform a pantomime at the series' end.
* Big Brother – The Village (Germany: Season 6, 363 days): The village had a class system of bosses, assistants and servants, living in separate houses, who competed in mixed teams; winning bosses could promote employees, while losing bosses became servants. Cash prizes were awarded weekly in an ongoing contest.
* Big Brother Family (Bulgaria: 81 days): Whole families entered the house with their spouses, children and relatives. They received a salary for their stay and the winning family received a cash prize, a car and an apartment.
There are also "test runs", with a group of celebrities (or journalists) living in the house for several days to test it. There are occasions where people who have auditioned for the show are also put in the house, most notably in the British edition, where many housemates claim to have met before. These series have been televised in Argentina, Bulgaria, Czech Republic, Germany, Mexico, the Pacific region, the Philippines and Spain. In some cases, it is not broadcast, but in others, such as the American edition, it is used as a promotional tool.

## Versions

As of 14 March 2025, Big Brother has produced 512 winners in over 63 franchises.
    Currently airing (10)
    An upcoming season (12)
    Status unknown (14)
    No longer airing (30)
| Country/Region | Official name | Network(s) | Winner(s) | Presenter(s) |
| Africa (English-language: Angola, Botswana, Ethiopia, Ghana, Kenya, Liberia, Malawi, Mozambique, Namibia, Nigeria, Rwanda, South Africa, Sierra Leone, Tanzania, Uganda, Zimbabwe and Zambia) | Big Brother Africa | M-Net Africa Magic Mzansi Magic DStv (live) | Season 1, 2003: Cherise Makubale Season 2, 2007: Richard Dyle Bezuidenhout Season 3, 2008: Ricardo Venancio Season 4, 2009: Kevin Chuwang Season 5, 2010: Uti Nwachukwu Season 6, 2011: Karen Igho & Wendall Parsons Season 7, 2012: Keagan Petersen Season 8, 2013: Dillish Matthews Season 9, 2014: Idris Sultan | Mark Pilgrim (1) Kabelo Ngakane (2–3) IK Osakioduwa (4–9) |
| Africa (French-language: Benin, Burkina Faso, Cameroon, Congo, DR Congo, Côte d'Ivoire, Gabon, Guinea, Madagascar, Mali, Niger, Senegal, Togo) | Secret Story Afrique | Canal+ Afrique | Season 1, 2024: Awa Sanoko | Jean-Michel Onnin Stéphanelle |
| Albania | Big Brother Albania | Top Channel | Season 1, 2008: Arbër Çepani Season 2, 2009: Qetsor Ferunaj Season 3, 2010: Jetmir Salaj Season 4, 2010–11: Ermela Mezuraj Season 5, 2012: Arbër Zeka Season 6, 2013: Anaidi Kaloti Season 7, 2014: Nevila Omeri Season 8, 2015: Vesel Kurtishaj Season 9, 2017: Danjel Dedndreaj & Fotini Derxho | Arbana Osmani (1–7, 9) Ledion Liço (8) |
| Albania | Big Brother VIP | Top Channel | Season 1, 2021–22: Ilir Shaqiri Season 2, 2022–23: Luiz Ejlli Season 3, 2024: Egla Ceno Season 4, 2024–25: Current season | Current Ledion Liço (3–) Former Arbana Osmani (1–2) |
| Angola Mozambique | Big Brother Angola (1–2) Big Brother Angola e Moçambique (3) | Jango Magic DStv | Season 1, 2014: Larama da Silva Season 2, 2015: Luna Vambano & Mr. Norway Vunge Season 3, 2016: Anderson Mistake & Papetchulo | Dicla Burity (1–3) Emerson Miranda (3) |
| Arab world (Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Oman, Saudi Arabia, Somalia, Syria and Tunisia) | Big Brother: الرئيس Big Brother: The Boss | MBC 2 | Season 1, 2004: Discontinued | Razan Moughrabi |
| Argentina | Gran Hermano | Telefe DirecTV (live; 1–3, 6–7, 11–) Cablevisión (live; 4–5) Multicanal (live; 4) TDT (live; 6–7) Pluto TV (live; 10) | Season 1, 2001: Marcelo Corazza Season 2, 2001: Roberto Parra Season 3, 2002–03: Viviana Colmenero Season 4, 2007: Marianela Mirra Season 5, 2007: Esteban Morais Season 6, 2010–11: Cristian Urrizaga Season 7, 2011–12: Rodrigo Fernández Season 10, 2022–23: Marcos Ginocchio Season 11, 2023–24: Bautista Mascia Season 12, 2024–25: Current season | Main host: Soledad Silveyra (1–3) Jorge Rial (4–7) Mariano Peluffo (7) Santiago del Moro (10–) Debate: Juan Alberto Badía (1–3) Mariano Peluffo (4–7) Santiago del Moro (10–) |
| Argentina | Gran Hermano | América TV DirecTV (live) Cablevisión (live) | Season 8, 2015: Francisco Delgado Season 9, 2016: Luis Fabián Galesio | Main host: Jorge Rial Debate: Pamela David |
| Argentina | Gran Hermano Famosos | Telefe Cablevisión (live) Multicanal (live) | Season 1, 2007: Diego Leonardi | Main host: Jorge Rial Debate: Mariano Peluffo |
| Australia | Big Brother Australia | Network 10 TV2 (1–3, 5) Prime (4) 10Play (16) | Season 1, 2001: Ben Williams Season 2, 2002: Peter Corbett Season 3, 2003: Regina Bird Season 4, 2004: Trevor Butler Season 5, 2005: Greg Matthew Season 6, 2006: Jamie Brooksby Season 7, 2007: Aleisha Cowcher Season 8, 2008: Terri Munro Season 16, 2025: Upcoming season | Current Mel Tracina (16–) Former Gretel Killeen (1–7) Kyle Sandilands (8) Jackie O (8) |
| Australia | Big Brother Australia | Nine Network TV3 (10–11) | Season 9, 2012: Benjamin Norris Season 10, 2013: Tim Dormer Season 11, 2014: Ryan Ginns | Sonia Kruger |
| Australia | Big Brother Australia | Seven Network Three (12) RTL 5 (12) Ruutu.fi (12) TVNZ OnDemand (13) | Season 12, 2020: Chad Hurst Season 13, 2021: Marley Biyendolo Season 14, 2022: Reggie Sorensen Season 15, 2023: Tay & Ari Wilcoxson | Sonia Kruger |
| Australia | Celebrity Big Brother | Network 10 | Season 1, 2002: Dylan Lewis | Gretel Killeen |
| Australia | Big Brother VIP | Seven Network | Season 1, 2021: Luke Toki | Sonia Kruger |
| Balkans (Bosnia and Herzegovina, Croatia, Montenegro, North Macedonia and Serbia) | Veliki Brat Big Brother | Pink BH (1–4) Pink M (1–4) B92 (1–3, 5) A1 (3) Pink (4) RTL (4–5) OBN (5) RTRS (5) Sitel (5) Prva (5) | Season 1, 2006: Ivan Ljuba Season 2, 2007: Discontinued Season 3, 2009: Vladimir Arsić „Arsa" Season 4, 2011: Marijana Čvrljak Season 5, 2015: Darko "Spejko" Petkovski | Marijana Mićić (1, 3–4) Irina Vukotić (1, 3) Ana Grubin (2) Antonija Blaće (4–5) Sky Wikluh (5) |
| Balkans (Bosnia and Herzegovina, Croatia, Montenegro, North Macedonia and Serbia) | Veliki Brat VIP Big Brother VIP | Pink M (1–4) Pink BH (1–4) B92 (1–2, 5) Pink (3–4) A1 (4) BN (5) Prva (5) OBN (5) Sitel (5) | Season 1, 2007: Saša Ćurčić „Đani" Season 2, 2008: Mirjana „Mimi" Đurović Season 3, 2009: Miroslav „Miki" Đuričić Season 4, 2010: Milan Marić „Švaba" Season 5, 2013: Žarko Stojanović | Ana Grubin (1–2) Irina Vukotić (1) Milan Kalinić (2–3) Marijana Mićić (3–5) Dragan Marinković (4) |
| Balkans (Bosnia and Herzegovina, Croatia, Montenegro, North Macedonia and Serbia) | Veliki Brat: Generalna Proba Veliki Brat: General Rehearsal | B92 | Season 1, 2006: Jelena Provči & Marko Miljković | Marijana Mićić |
| Belgium | Big Brother | Kanaal Twee | Season 1, 2000: Steven Spillebeen Season 2, 2001: Ellen Dufour Season 3, 2002: Kelly Vandevenne Season 4, 2003: Kristof van Camp Season 5, 2006: Kirsten Janssens Season 6, 2007: Diana Ferrante | Walter Grootaers |
| Belgium | Big Brother (Netherlands and Belgium) | VIER/Play4 Telenet (live) | Season 1, 2021: Jill Goede Season 2, 2022: Salar Abassi Abrassi Season 3, 2023: Bart Vandenbroek Season 4, 2024: Glenn Van Himst Season 5, 2025: Current season | Current Geraldine Kemper Tatyana Beloy (3–) Former Peter Van de Veire (1–2) |
| Belgium | Big Brother VIPs | VTM Kanaal Twee | Season 1, 2001: Sam Gooris Season 2, 2006: Pim Symoens | No presenters |
| Belgium | Big Brother All-Stars | Kanaal Twee | Season 1, 2003: Heidi Zutterman | Walter Grootaers |
| Brazil | Big Brother Brasil | TV Globo Multishow Globoplay (live on PPV) | Season 1, 2002: Kleber de Paula Season 2, 2002: Rodrigo Leonel Season 3, 2003: Dhomini Ferreira Season 4, 2004: Cida dos Santos Season 5, 2005: Jean Wyllys Season 6, 2006: Mara Viana Season 7, 2007: Diego Gasques Season 8, 2008: Rafinha Ribeiro Season 9, 2009: Maximiliano Porto Season 10, 2010: Marcelo Dourado Season 11, 2011: Maria Melillo Season 12, 2012: Fael Cordeiro Season 13, 2013: Fernanda Keulla Season 14, 2014: Vanessa Mesquita Season 15, 2015: Cézar Lima Season 16, 2016: Munik Nunes Season 17, 2017: Emilly Araújo Season 18, 2018: Gleici Damasceno Season 19, 2019: Paula von Sperling Season 20, 2020: Thelma Assis Season 21, 2021: Juliette Freire Season 22, 2022: Arthur Aguiar Season 23, 2023: Amanda Meirelles Season 24, 2024: Davi Brito Season 25, 2025: Current season | Current Tadeu Schmidt (22–) Former Marisa Orth (1) Pedro Bial (1–16) Tiago Leifert (17–21) |
| Bulgaria | Big Brother | Nova Television Nova+ (live; 1–4) Diema Family (live; 5) | Season 1, 2004–05: Zdravko Vasilev Season 2, 2005: Miroslav Atanasov Season 3, 2006: Lyubov Stancheva Season 4, 2008: Georgi Alurkov Season 5, 2015: Nikita Jönsson Season 6, 2024: Mario Todorov Season 7, 2025: Upcoming season | Current Bashar Rahal (6–) Aleksandra Bogdanska (6–) Elena Sergova (podcast) Former Niki Kunchev (1–3, 5) Evelina Pavlova (1–2) Milen Tsvetkov (4) Rumen Lukanov (4) Aleksandra Sarchadjieva (5) |
| Bulgaria | VIP Brother | Nova Television Nova+ (live; 1–2) Diema 2 (live; 3) Diema Family (live; 4–6) | Season 1, 2006: Konstantin Slavchev Season 2, 2007: Hristina Stefanova Season 3, 2009: Deyan Slavchev – Deo Season 4, 2012: Orlin Pavlov Season 5, 2013: Stanka Zlateva Season 6, 2014: Vladislav Karamfilov – Vladi Vargala Season 7, 2015: Georgi Tashev – Gino Biancalana Season 8, 2016: Miglena Angelova Season 9, 2017: Yonislav Yotov – Toto Season 10, 2018: Atanas Kolev | Niki Kunchev Evelina Pavlova (1) Dimitar Rachkov (3) Maria Ignatova (3) Aleksandra Sarchadjieva (4–10) Miglena Angelova (9) Azis (10) |
| Bulgaria | Big Brother Family | Nova Television Diema Family (live) | Season 1, 2010: Eli & Veselin Kuzmovi | Niki Kunchev |
| Bulgaria | Big Brother All Stars (1–4) Big Brother: Most Wanted (5–6) | Nova Television Diema Family (live; 1–3) | Season 1, 2012: Nikola Nasteski – Lester Season 2, 2013: Zlatka Dimitrova Season 3, 2014: Todor Slavkov Season 4, 2015: Desislava Season 5, 2017: Georgi Tashev – Gino Biancalana Season 6, 2018: Stefan Ivanov – Wosh MC | Niki Kunchev Aleksandra Sarchadjieva Azis (6) |
| Canada (English) | Big Brother Canada | Slice | Season 1, 2013: Jillian MacLaughlin Season 2, 2014: Jon Pardy | Arisa Cox |
| Canada (English) | Big Brother Canada | Global | Season 3, 2015: Sarah Hanlon Season 4, 2016: Nicholas & Philippe Paquette Season 5, 2017: Kevin Martin Season 6, 2018: Paras Atashnak Season 7, 2019: Dane Rupert Season 8, 2020: Discontinued Season 9, 2021: Tychon Carter-Newman Season 10, 2022: Kevin Jacobs Season 11, 2023: Terrell "Ty" McDonald Season 12, 2024: Bayleigh Pelham | Arisa Cox |
| Canada (French) | Loft Story | TQS | Season 1, 2003: Julie Lemay & Samuel Tissot Season 2, 2006: Mathieu Baron & Stéphanie Bélanger Season 3, 2006: Shawn-Edward, Jean-Philippe Anwar & Kim Rusk Season 4, 2007: Mathieu Surprenant Season 5, 2008: Charles-Éric Boncoeur | Renée-Claude Brazeau (1) Isabelle Maréchal (2) Marie Plourde (3–5) |
| Canada (French) | Loft Story: La Revanche Loft Story: The Revenge | TQS | Season 6, 2009: Sébastien Tremblay | Pierre-Yves Lord |
| Canada (French) | Big Brother | V | Season 1, 2010: Vincent Durand Dubé | Chéli Sauvé-Castonguay |
| Canada (French) | Big Brother Célébrités | Noovo | Season 1, 2021: Jean-Thomas Jobin Season 2, 2022: Stephanie Harvey Season 3, 2023: Mona de Grenoble Season 4, 2024: Danick Martineau Season 5, 2025: Current season | Marie-Mai Bouchard |
| Chile | Gran Hermano | Chilevisión | Season 1, 2023: Constanza Capelli Season 2, 2024: Michelle Carvalho | Current Diana Bolocco Emilia Daiber (2–) Former Julio Rodríguez (1) |
| China | 室友一起宅 – Big Brother China Housemates, Let's Stay Together | Youku.com Tudou.com | Pilot season, 2015–16: Tan Xiangjun | Zhou Wentao (Live Final) Yang Ruilei (Live Final) |
| Colombia | Gran Hermano | Caracol Televisión | Season 1, 2003: Mónica Patricia Tejón | Adriana Arango |
| Colombia | Gran Hermano | Citytv Bogotá | Season 2, 2012: Diana Hernández | Agmeth Escaf |
| Colombia | La casa de los famosos Colombia The House of the Famous Colombia | Canal RCN ViX (live; 1) | Season 1, 2024: Karen Sevillano Season 2, 2025: Current season | Current Carla Giraldo Marcelo Cezán (2–) Former Cristina Hurtado (1) |
| Croatia | Big Brother (Veliki brat) | Nova TV | Season 1, December 2003: Discontinued due to copyright | Anja Alavanja |
| Croatia | Big Brother | RTL | Season 1, 2004: Saša Tkalčević Season 2, 2005: Hamdija Seferović Season 3, 2006: Danijel Rimanić Season 4, 2007: Vedran Lovrenčić Season 5, 2008: Krešimir Duvančić Season 6, 2016: Romano Obilinović Season 7, 2018: Antonio Orač | Daria Knez (1) Neno Pavinčić (1, 6) Boris Mirković (1–3) Renata Sopek (2–4) Antonija Blaće (2–5, 7) Filip Brajković (4) Marko Lušić (5) Korana Gvozdić (5) Marijana Batinić (6) |
| Croatia | Celebrity Big Brother | RTL | Season 1, 2008: Danijela Dvornik | Antonija Blaće Marko Lušić |
| Czech Republic | Big Brother | TV Nova | Season 1, 2005: David Šín | Eva Aichmajerová (1) Lejla Abbasová (1) Leoš Mareš (1) |
| Czech Republic | Big Brother Česko & Slovensko (Czech Republic and Slovakia) | TV Nova Voyo | Season 2, 2023–24: Stanislav Liška | Míra Hejda (2) |
| Denmark | Big Brother | TvDanmark | Season 1, 2001: Jill Liv Nielsen Season 2, 2001: Carsten B. Berthelsen Season 3, 2003: Johnni Johansen | Lisbeth Janniche |
| Denmark | Big Brother | Kanal 5 The Voice TV (live; 4) 7'eren (live; 5–6) | Season 4, 2012: Amanda Heisel Season 5, 2013: Bjørn Clausen Season 6, 2014: David Feldstedt | Marie Egede (4) Anne Kejser (5) Oliver Bjerrehuus (6) |
| Denmark | Big Brother VIP | TvDanmark | Season 1, 2003: Thomas Bickham | Lisbeth Janniche |
| Denmark | Big Brother Reality All-Stars | TvDanmark | Season 1, 2004: Jill Liv Nielsen | Lisbeth Janniche |
| Ecuador | Gran Hermano | Ecuavisa | Season 1, 2003: David Burbano | Toty Rodríguez |
| Finland | Big Brother Suomi | Sub | Season 1, 2005: Perttu Sirviö Season 2, 2006: Sari Nygren Season 3, 2007: Sauli Koskinen Season 4, 2008: Anniina Mustajärvi Season 5, 2009: Aso Alanso Season 6, 2010: Niko Nousiainen Season 7, 2011: Janica Kortman Season 8, 2012: Teija Kurvinen Season 10, 2014: Andte Gaup-Juuso | Mari Sainio (Kakko) (1–2, 10) Vappu Pimiä (3–5) Susanna Laine (6–7) Elina Kottonen (6–8) |
| Finland | Big Brother Suomi | Nelonen Jim (11; Daily recaps) Ruutu.fi (stream; live 24/7) | Season 11, 2019: Kristian Heiskari Season 12, 2020: Joel Jämsinen Season 14, 2021: Jasmiina Yildiz Season 15, 2022: Reeo Tiiainen | Elina Kottonen (11–12, 14) Kimmo Vehviläinen (11–14) Alma Hätönen (11–12, 14) Anni Hautala (13, 15) Tinni Wikström (13) Sami Kuronen (15) Janni Hussi (15) |
| Finland | Julkkis Big Brother (9) Celebrity Big Brother Big Brother Suomi VIP (13) | Sub | Season 9, 2013: Jori Kopponen | Mari Sainio |
| Finland | Julkkis Big Brother (9) Celebrity Big Brother Big Brother Suomi VIP (13) | Nelonen Ruutu.fi (stream; live 24/7) | Season 13, 2021: Petra Maarit Olli | Anni Hautala Tinni Wikström Kimmo Vehviläinen |
| France | Loft Story | M6 | Season 1, 2001: Christophe Mercy & Loana Petrucciani Season 2, 2002: Karine Delgado & Thomas Saillofest | Benjamin Castaldi |
| France | Secret Story | TF1 NT1/TFX (Daily recaps: 9, aftershow: 12–) CanalSat (live; 1) TF1+ (live feed: 12–) | Season 1, 2007: Marjorie, Cyrielle & Johanna Bluteau Season 2, 2008: Matthias Pohl Season 3, 2009: Emilie Nefnaf Season 4, 2010: Benoît Dubois Season 5, 2011: Marie Garet Season 6, 2012: Nadège Lacroix Season 7, 2013: Anaïs Camizuli Season 8, 2014: Leila Ben Khalifa Season 9, 2015: Émilie Fiorelli Season 12, 2024: Alexis André Jr. Season 13, 2025: Upcoming season | Benjamin Castaldi (1–8) Christophe Beaugrand (9–) After Secret Adrien Lemaître (3–9) Nadège Lacroix (7) Leila Ben Khalifa (9) Julie Taton (9–10) Emilie Fiorelli (10) Julien Geloën (11) |
| France | Secret Story | NT1 | Season 10, 2016: Julien Geloën Season 11, 2017: Noré Tir | Benjamin Castaldi (1–8) Christophe Beaugrand (9–) After Secret Adrien Lemaître (3–9) Nadège Lacroix (7) Leila Ben Khalifa (9) Julie Taton (9–10) Emilie Fiorelli (10) Julien Geloën (11) |
| Germany | Big Brother | RTL II Single TV (2) RTL (2–3) MTV2 Pop (4–5) Tele 5 (4–6) 9Live (8) VIVA (5, 9) Premiere (live; 5–9) Clipfish (live; 10–11) Sky (live; 10–11) | Season 1, 2000: John Milz Season 2, 2000: Alida Nadine Kurras Season 3, 2001: Karina Schreiber Season 4, 2003: Jan Geilhufe Season 5, 2004–05: Sascha Sirtl Season 6, 2005–06: Michael Knopf Season 7, 2007: Michael Carstensen Season 8, 2008: Silke Kaufmann Season 9, 2008–09: Daniel Schöller Season 10, 2010: Timo Grätsch Season 11, 2011: Marc Sonnen | Percy Hoven (1) Oliver Geissen (2–3) Aleksandra Bechtel (4, 10–11) Ruth Moschner (5–6) Oliver Petszokat (6) Charlotte Karlinder (7–8) Miriam Pielhau (8–9) Sonja Zietlow (Opening show, 11) |
| Germany | Big Brother | sixx Sky (live; 12) 7TV (stream; 12) Joyn (live, daily recaps; 15–) | Season 12, 2015: Lusy Skaya Season 15, 2025: Current season | Jochen Bendel Elena Gruschka (15–) Jochen Schropp (15–) Melissa Khalaj (15–) |
| Germany | Big Brother | Sat.1 sixx (Weekly recaps; 13) Joyn (live, daily recaps; 14) | Season 13, 2020: Cedric Beidinger Season 14, 2024: Marcus Bräuer | Jochen Schropp |
| Germany | Promi Big Brother | Sat.1 sixx (Daily recaps; 2–4, 6–8) IGTV (Daily recaps; 7–) Sat.1 emotions (1) Sky (live 3 hours; 1, live; 3) maxdome (live; 2) Bild (live; 4) 7TV (stream; 2–6) Joyn (stream; 7–; live feed; 11–) | Season 1, 2013: Jenny Elvers Season 2, 2014: Aaron Troschke Season 3, 2015: David Odonkor Season 4, 2016: Ben Tewaag Season 5, 2017: Jens Hilbert Season 6, 2018: Silvia Wollny Season 7, 2019: Janine Meissner Season 8, 2020: Werner Hansch Season 9, 2021: Melanie Müller Season 10, 2022: Rainer Gottwald Season 11, 2023: Yeliz Koc Season 12, 2024: Leyla Lahouar Season 13, 2025: Upcoming season | Current Jochen Schropp (2–) Marlene Lufen (6–) Former Cindy aus Marzahn (1) Oliver Pocher (1) Jochen Bendel (5) |
| Greece Cyprus | Big Brother | ANT1 | Season 1, 2001: Giorgos Triantafyllidis Season 2, 2002: Alexandros Moskhos Season 3, 2003: Thodores Jspógloy Season 4, 2005: Nikos Papadopoulos | Andreas Mikroutsikos (1–3) Tatiana Stefanidou (4) |
| Greece Cyprus | Big Brother | Alpha TV Sigma TV Nova (live) | Season 5, 2010–11: Giannis Foukakis | Roula Koromila |
| Greece Cyprus | Big Brother | Skai TV Sigma TV | Season 6, 2020: Anna-Maria Psycharaki Season 7, 2021: Nikos Taklis Season 8, 2025: Upcoming season | Harry Varthakouris (6) Grigoris Gountaras (7) Natali Kakava (7) |
| Hungary | Big Brother | TV2 | Season 1, 2002: Éva Párkányi Season 2, 2003: Zsófi Tóth | Claudia Liptai Attila Till |
| Hungary | Big Brother VIP | TV2 | Season 1, 2003: Gábor Bochkor Season 2, 2003: Lajos Boros Season 3, 2003: Zolee Ganxsta | Claudia Liptai Attila Till |
| Hungary | Való Világ powered by Big Brother | Cool TV(12–) RTL Kettő (8–11) RTL+ (stream) | Season 8, 2016: Soma Farkas Season 9, 2018–19: Zsuzsanna Varga Season 10, 2020–21: Vivien Szilágyi Season 11, 2022–23: Krisztina Karnics Season 12, 2024: Ádi Farkas Season 13, 2025: Upcoming season | Current Peti Puskás (9–) Csilla Megyeri (12–) Former Bence Istenes (6–8) Anikó Nádai (8–11) Vanda Schumacher (11) |
| India (Hindi-language) | Bigg Boss (Television edition) | SET (1) | Season 1, 2006–07: Rahul Roy | Arshad Warsi |
| India (Hindi-language) | Bigg Boss (Television edition) | Colors TV (2–) Voot (live; 4–16) Jio Cinema (live; 17–) | Season 2, 2008: Ashutosh Kaushik Season 3, 2009: Vindu Dara Singh Season 4, 2010–11: Shweta Tiwari Season 5, 2011–12: Juhi Parmar Season 6, 2012–13: Urvashi Dholakia Season 7, 2013: Gauahar Khan Season 8, 2014–15: Gautam Gulati Season 9, 2015–16: Prince Narula Season 10, 2016–17: Manveer Gurjar Season 11, 2017–18: Shilpa Shinde Season 12, 2018: Dipika Kakar Season 13, 2019–20: Sidharth Shukla Season 14, 2020–21: Rubina Dilaik Season 15, 2021–22: Tejasswi Prakash Season 16, 2022–23: MC Stan Season 17, 2023–24: Munawar Faruqui Season 18, 2024–25: Karan Veer Mehra | Current Salman Khan (4–) Former Shilpa Shetty (2) Amitabh Bachchan (3) Sanjay Dutt (5) |
| India (Hindi-language) | Bigg Boss Halla Bol (Spin-off) | Colors TV (2–) Voot (live; 4–16) Jio Cinema (live; 17–) | Season 1, 2015: Gautam Gulati | Farah Khan |
| India (Hindi-language) | Bigg Boss OTT (Digital edition) | Voot (live; 1) JioCinema (live; 2–) | Season 1, 2021: Divya Agarwal Season 2, 2023: Elvish Yadav Season 3, 2024: Sana Makbul | Current Anil Kapoor (3–) Former Karan Johar (1) Salman Khan (2) |
| India (Kannada-language) | Bigg Boss Kannada | ETV Kannada (1) | Season 1, 2013: Vijay Raghavendra | Sudeepa |
| India (Kannada-language) | Bigg Boss Kannada | Asianet Suvarna (2) | Season 2, 2014: Akul Balaji | Sudeepa |
| India (Kannada-language) | Bigg Boss Kannada | Colors Kannada (3–4; 7–) Colors Super (4–6) Voot (live; 3–9) Jio Cinema (live; 10–) | Season 3, 2015–16: Shruthi Season 4, 2016–17: Pratham Season 5, 2017–18: Chandan Shetty Season 6, 2018–19: Shashi Kumar Season 7, 2019–20: Shine Shetty Season 8, 2021: Manju Pavagada Season 9, 2022: Roopesh Shetty Season 10, 2023–24: Karthik Mahesh Season 11, 2024–25: Hanumantha Lamani | Sudeepa |
| India (Kannada-language) | Bigg Boss Mini Season (Spin-off) | Colors Kannada | Season 1, 2021: No Winner | Sudeepa |
| India (Kannada-language) | Bigg Boss Kannada OTT (Digital edition) | Voot (live; 1) | Season 1, 2022: Roopesh Shetty, Aryavardhan Guruji, Rakesh Adiga and Sanya Iyer | Sudeepa |
| India (Bengali-language) | Bigg Boss Bangla | ETV Bangla (1) | Season 1, 2013: Aneek Dhar | Mithun Chakraborty |
| India (Bengali-language) | Bigg Boss Bangla | Colors Bangla (2) Voot (2) | Season 2, 2016: Joyjeet Banerjee | Jeet |
| India (Tamil-language) | Bigg Boss (Television edition) | Star Vijay Disney+ Hotstar (live) | Season 1, 2017: Arav Season 2, 2018: Riythvika Season 3, 2019: Mugen Rao Season 4, 2020–21: Aari Aarjunan Season 5, 2021–22: Raju Jeyamohan Season 6, 2022–23: Mohammed Azeem Season 7, 2023–24: Archana Ravichandran Season 8, 2024–25: Muthukumaran Jegatheesan | Current Vijay Sethupathi (8–) Former Kamal Haasan (1–7) |
| India (Tamil-language) | Bigg Boss Ultimate (Digital edition) | Disney+ Hotstar (Live; 1) | Season 1, 2022: Balaji Murugadoss | Silambarasan |
| India (Telugu-language) | Bigg Boss (Television edition) | Star Maa Disney+ Hotstar (live) | Season 1, 2017: Siva Balaji Season 2, 2018: Kaushal Manda Season 3, 2019: Rahul Sipligunj Season 4, 2020: Abijeet Season 5, 2021: VJ Sunny Season 6, 2022: L. V. Revanth Season 7, 2023: Pallavi Prashanth Season 8, 2024: Nikhil Maliyakkal | Current Nagarjuna (3–) Former Jr. NTR (1) Nani (2) |
| India (Telugu-language) | Bigg Boss Non-Stop (Digital edition) | Disney+ Hotstar (live; 1) | Season 1, 2022: Bindu Madhavi | Nagarjuna |
| India (Marathi-language) | Bigg Boss Marathi | Colors Marathi Voot (live; 1–3) Jio Cinema (live; 4–) | Season 1, 2018: Megha Dhade Season 2, 2019: Shiv Thakare Season 3, 2021: Vishal Nikam Season 4, 2022–23: Akshay Kelkar Season 5, 2024: Suraj Chavhan | Current Riteish Deshmukh (5–) Former Mahesh Manjrekar (1–4) |
| India (Malayalam-language) | Malayalee House | Surya TV | Season 1, 2013: Rahul Easwar | Revathi |
| India (Malayalam-language) | Bigg Boss Malayalam | Asianet Disney+ Hotstar (live) | Season 1, 2018: Sabumon Abdusamad Season 2, 2020: Discontinued Season 3, 2021: Manikuttan Season 4, 2022: Dilsha Prasannan Season 5, 2023: Akhil Marar Season 6, 2024: Jinto Bodycraft | Mohanlal |
| Indonesia | Big Brother Indonesia | Trans TV | Season 1, 2011: Alan Wangsa | Ferdi Hassan Indra Herlambang Sarah Sechan Shara Aryo |
| Israel | האח הגדול HaAh HaGadol Big Brother | Channel 2-Keshet Hot (live) yes (live) | Season 1, 2008: Shifra Cornfeld Season 2, 2009–10: Eliraz Sade Season 3, 2010–11: Yaakov "Jackie" Menahem Season 4, 2012: Yekutiel "Kuti" Sabag Season 5, 2013: Tahounia Rubel Season 6, 2014: Tal Gilboa Season 7, 2015–16: Shay Mika Ifrah Season 8, 2016–17: Avihai Ohana | Erez Tal (1–8) Assi Azar (1–6) Korin Gideon (7–8) |
| Israel | האח הגדול HaAh HaGadol Big Brother | Channel 13 Channel 26 (live) | Season 9, 2018: Israel Ogalbo Season 10, 2020: Tikva Gidon Season 11, 2020–21: Zehava Ben Season 12, 2022: Talia Ovadia Season 13, 2023: Yuval Maatook Season 14, 2024: Or Ben David Season 15, 2025: Upcoming season | Current Liron Weizman Guy Zu-Aretz (10–) Former Ofer Shechter (9) Asi Israelof (9) |
| Israel | VIP האח הגדול HaAh HaGadol VIP Big Brother VIP | Channel 2-Keshet Hot (live) Yes (live) | Season 1, 2009: Dudi Melitz Season 2, 2015: Moshik Afia | Erez Tal (1–2) Assi Azar (1–2) |
| Israel | VIP האח הגדול HaAh HaGadol VIP Big Brother VIP | Channel 13 Channel 26 (live) | Season 3, 2019: Asaf Goren Season 4, 2021: Oren Hazan | Liron Weizman Guy Zu-Aretz |
| Italy | Grande Fratello | Canale 5 Italia 1 (Daily recaps; 13–) Stream TV (live; 1–3) Sky (live; 4–5, 8–9) Mediaset Premium (live; 6–14) Mediaset Extra (live; 15–) La5 (live; 11–) | Season 1, 2000: Cristina Plevani Season 2, 2001: Flavio Montrucchio Season 3, 2003: Floriana Secondi Season 4, 2004: Serena Garitta Season 5, 2004: Jonathan Kashanian Season 6, 2006: Augusto De Megni Season 7, 2007: Milo Coretti Season 8, 2008: Mario Ferretti Season 9, 2009: Ferdi Berisa Season 10, 2009–10: Mauro Marin Season 11, 2010–11: Andrea Cocco Season 12, 2011–12: Sabrina Mbarek Season 13, 2014: Mirco Petrilli Season 14, 2015: Federica Lepanto Season 15, 2018: Alberto Mezzetti Season 16, 2019: Martina Nasoni Season 17, 2023–24: Perla Vatiero Season 18, 2024: Current season | Current Alfonso Signorini (17–) Former Daria Bignardi (1–2) Barbara D'Urso (3–5, 15–16) Alessia Marcuzzi (6–14) |
| Italy | Grande Fratello VIP | Canale 5 Italia 1 (Daily recaps) Mediaset Extra (live) La5 (live) | Season 1, 2016: Alessia Macari Season 2, 2017: Daniele Bossari Season 3, 2018: Walter Nudo Season 4, 2020: Paola Di Benedetto Season 5, 2020–21: Tommaso Zorzi Season 6, 2021–22: Jessica Hailé Selassié Season 7, 2022–23: Nikita Pelizon | Current Alfonso Signorini (4–) Former Ilary Blasi (1–3) |
| Kosovo | Big Brother VIP Kosova | Klan Kosova Artmotion (live) | Season 1, 2022–23: Arkimed "Stresi" Lushaj Season 2, 2023–24: Lumbardh Salihu Season 3, 2024–25: Drilon Rama | Alaudin Hamiti Jonida Vokshi |
| Lithuania | Paslapčių namai The House of Secrets | TV3 | Season 1, 2013: Gintautas Katulis | Agnė Grigaliūnienė Marijus Mikutavičius |
| Malta | Big Brother Malta | TVM | Season 1, 2025: Current season | Ryan Borg Josmar Gatt |
| Mexico | Big Brother México Big Brother PM (4) | Televisa Sky (live) | Season 1, 2002: Rocío Cárdenas Season 2, 2003: Silvia Irabien Season 3, 2005: Evelyn Nieto | Adela Micha (1–2) Verónica Castro (3) |
| Mexico | Big Brother México Big Brother PM (4) | Canal 5 Sky (live) | Season 4, 2015: Eduardo "Chile" Miranda | Adela Micha |
| Mexico | Big Brother VIP | Televisa Sky (live) | Season 1, 2002: Galilea Montijo Season 2, 2003: Omar Chaparro Season 3.1, 2004: Eduardo Videgaray Season 3.2, 2004: Roxanna Castellanos Season 4, 2005: Sasha Sökol | Víctor Trujillo (1) Verónica Castro (2–4) |
| Mexico | La casa de los famosos México The House of the Famous Mexico | Las Estrellas Canal 5 ViX (live) | Season 1, 2023: Wendy Guevara Season 2, 2024: Mario Bezares Season 3, 2025: Upcoming season | Galilea Montijo Diego de Erice Odalys Ramirez |
| Mongolia | Big Brother Mongolia | Mongol TV | Season 1, 2021: Enku Bulgan | Unknown |
| Netherlands | Big Brother (Original edition) | Veronica | Season 1, 1999: Bart Spring in 't Veld Season 2, 2000: Bianca Hagenbeek | Rolf Wouters (1) Daphne Deckers (1) Esther Duller (2) Beau Van Erven Dorens (2) |
| Netherlands | Big Brother (Original edition) | Yorin | Season 3, 2001: Sandy Boots Season 4, 2002: Jeanette Godefroy | Patty Brard (3) Martijn Krabbé (4) |
| Netherlands | Big Brother (Original edition) | Talpa | Season 5, 2005: Joost Hoebink Season 6, 2006: Jeroen Visser | Bridget Maasland (5–6) Ruud de Wild (5) |
| Netherlands | Big Brother (Netherlands and Belgium) | RTL 5 Videoland (stream; live) | Season 1, 2021: Jill Goede Season 2, 2022: Salar Abassi Abrassi Season 3, 2023: Bart Vandenbroek Season 4, 2024: Glenn Van Himst Season 5, 2025: Current season | Current Geraldine Kemper Tatyana Beloy (3-) Former Peter Van de Veire (1–2) |
| Netherlands | Big Brother VIPs (1) Hotel Big Brother (2) | Veronica | Season 1, 2000: No winner | Unknown |
| Netherlands | Big Brother VIPs (1) Hotel Big Brother (2) | Talpa | Season 2, 2006: No winner | Caroline Tensen |
| Netherlands | Secret Story | Net5 | Season 1, 2011: Sharon Hooijkaas | Renate Verbaan Bart Boonstra |
| Nigeria | Big Brother Nigeria (1) Big Brother Naija (2–8) | M-Net DStv (live) | Season 1, 2006: Katung Aduwak | Olisa Adibua Michelle Dede |
| Nigeria | Big Brother Nigeria (1) Big Brother Naija (2–8) | Africa Magic GOtv DStv (live) | Season 2, 2017: Efe Ejeba Season 3, 2018: Miracle Ikechukwu Igbokwe Season 4, 2019: Mercy Eke Season 5, 2020: Olamilekan "Laycon" Agbeleshe Season 6, 2021: Hazel Oyeze "Whitemoney" Onou Season 7, 2022: Ijeoma Josephina "Phyna" Otabor Season 8, 2023: Ilebaye Odiniya Season 9, 2024: Kingsley "KellyRae" Sule | Ebuka Obi-Uchendu |
| Nigeria | Big Brother Titans (Nigeria and South Africa) | Africa Magic DStv (stream; live) | Season 1, 2023 : Khosi Twala | Lawrence Maleka Ebuka Obi-Uchendu |
| Norway | Big Brother | TVN | Season 1, 2001: Lars Joakim Ringom Season 2, 2002: Veronica Agnes Roso Season 3, 2003: Eva Lill Baukhol | Arve Juritzen (1–2) Trygve Rønningen (3) |
| Norway | Big Brother | TV 2 Bliss | Season 4, 2011: Tine Barstad | Petter Pilgaard Sarah Natasha Melbye |
| Pacific Region (Chile, Ecuador and Peru) | Gran Hermano del Pacífico | RedTeleSistema RED Televisión ATV | Season 1, 2005: Juan Sebastián López | Lorena Meritano (Main) Álvaro Ballera & Álvaro García (Regional) Janine Leal (Regional) Juan Francisco Escobar (Regional) |
| Pakistan | Tamasha | ARY Digital ARY Zap | Season 1, 2022: Umer Aalam Season 2, 2023: Aruba Mirza Season 3, 2024: Malik Aqeel | Adnan Siddiqui |
| Panama | Big Brother Panamá | TVN | Season 1, 2016: Katherine Sandoval | Rolando Sterling Gaby Garrido |
| Peru | La Casa de Los Secretos The House of Secrets | Frecuencia Latina | Season 1, 2012: Álvaro de la Torre | Carla García Jason Day |
| Philippines | Pinoy Big Brother (Civilian edition) | GMA Network (18–) A2Z (9–) Kapamilya Channel (9–) TV5 (9, 11–) ABS-CBN (1–8) TFC (Worldwide) Sky Cable (live; 1–8) Kumu (live; 9–10) Lazada (live; 11) Studio 23 (live; 1–3) | Season 1, 2005: Nene Tamayo Season 2, 2007: Beatriz Saw Season 3, 2009–10: Melisa Cantiveros Season 4, 2011–12: Slater Young | Toni Gonzaga (1–4) Bianca Gonzalez (2–4) Mariel Rodriguez (1–3) Willie Revillame (1) Robi Domingo (4) |
| Philippines | Pinoy Big Brother (Mixed edition) | GMA Network (18–) A2Z (9–) Kapamilya Channel (9–) TV5 (9, 11–) ABS-CBN (1–8) TFC (Worldwide) Sky Cable (live; 1–8) Kumu (live; 9–10) Lazada (live; 11) Studio 23 (live; 1–3) | Season 5, 2014: Daniel Matsunaga Season 6, 2015: Miho Nishida & Jimboy Martin Season 7, 2016–17: Maymay Entrata Season 8, 2018–19: Yamyam Gucong Season 9, 2020–21: Liofer Pinatacan Season 10, 2021–22: Anji Salvacion Season 11, 2024: Fyang Smith | Current Bianca Gonzalez (5–) Robi Domingo (5–) Melisa Cantiveros (8–) Kim Chiu (8–) Enchong Dee (6, 9–) Alexa Ilacad (11) Former John Prats (5) Alex Gonzaga (5,8) Toni Gonzaga (5–10) Mariel Rodriguez (7) Maymay Entrata (9–10) Edward Barber (9–10) Richard Juan (9–10) |
| Philippines | Pinoy Big Brother: Celebrity Edition | GMA Network (18–) A2Z (9–) Kapamilya Channel (9–) TV5 (9, 11–) ABS-CBN (1–8) TFC (Worldwide) Sky Cable (live; 1–8) Kumu (live; 9–10) Lazada (live; 11) Studio 23 (live; 1–3) | Season 1, 2006: Keanna Reeves Season 2, 2007–08: Ruben Gonzaga Season 3, 2025: Current season | Toni Gonzaga (1–2) Mariel Rodriguez (1–2) Luis Manzano (1) Bianca Gonzalez (2-3) Robi Domingo (3) Gabbi Garcia (3) Mavy Legaspi (3) |
| Philippines | Pinoy Big Brother: Teen Edition | GMA Network (18–) A2Z (9–) Kapamilya Channel (9–) TV5 (9, 11–) ABS-CBN (1–8) TFC (Worldwide) Sky Cable (live; 1–8) Kumu (live; 9–10) Lazada (live; 11) Studio 23 (live; 1–3) | Season 1, 2006: Kim Chiu Season 2, 2008: Ejay Falcon Season 3, 2010: James Reid Season 4, 2012: Myrtle Abigail Sarrosa | Bianca Gonzalez (1–4) Mariel Rodriguez (1–3) Toni Gonzaga (2–4) Luis Manzano (2) Robi Domingo (4) John Prats (4) |
| Poland | Big Brother | TVN | Season 1, 2001: Janusz Dzięcioł Season 2, 2001: Marzena Wieczorek Season 3, 2002: Piotr Borucki | Grzegorz Miecugow (1–3) Martyna Wojciechowska (1–3) Andrzej Sołtysik (2–3) |
| Poland | Big Brother | TV4 | Season 4, 2007: Jolanta Rutowicz Season 5 (part 2), 2008: Janusz Strączek | Jakub Klawiter (4–5) Karina Kunkiewicz (4) Małgorzata Kosik (5) |
| Poland | Big Brother | TVN 7 | Season 6, 2019: Magda Wójcik Season 7, 2019: Kamil Lemieszewski | Agnieszka Woźniak-Starak (6) Gabi Drzewiecka (7) |
| Poland | Big Brother VIP | TV4 | Season 5 (part 1), 2008: Jarosław Jakimowicz | Jakub Klawiter Małgorzata Kosik |
| Portugal | Big Brother | TVI TVI Reality (live; 5–) TVI Internacional (5) TVI Eventos (live; 1) | Season 1, 2000: Zé Maria Seleiro Season 2, 2001: Henrique Guimarães Season 3, 2001: Catarina Cabral Season 4, 2003: Fernando Geraldes Season 5, Spring 2020: Soraia Moreira Season 6, Autumn 2020: Zena Pacheco Season 7, 2021: Ana Barbosa Season 8, 2022: Miguel Vicente Season 9, 2023: Francisco Monteiro Season 10, 2024: Inês Morais Season 11, 2025: Upcoming season | Current Cláudio Ramos (5; 7; 10–) Former Teresa Guilherme (1–4; 6) Manuel Luís Goucha (7) Cristina Ferreira (8–9) |
| Portugal | Big Brother Famosos (1–2, 4–) Big Brother VIP (3) | TVI TVI Direct (live; VIP) | Season 1, 2002: Ricardo Vieira Season 2, 2002: Vítor Norte Season 3, 2013: Pedro Guedes Season 4, 2022: Francisco "Kasha" Pereira Season 5, 2022: Bernardo Sousa | Current Cristina Ferreira (4–) Former Teresa Guilherme (1–3) |
| Portugal | Big Brother: Duplo Impacto Big Brother: Double Impact | TVI TVI Reality (live) | Season 1, 2021: Joana Albuquerque | Teresa Guilherme Cláudio Ramos |
| Portugal | Big Brother: Desafio Final Big Brother: Final Challenge | TVI TVI Reality (live) | Season 1, 2022: Bruna Gomes Season 2, 2024: Bruno Savate | Current Cláudio Ramos (2–) Former Cristina Ferreira (1) |
| Portugal | Secret Story: Casa dos Segredos Secret Story: House of Secrets | TVI TVI Reality (live; 6–) TVI Direct (live; 1–5) | Season 1, 2010: António Queirós Season 2, 2011: João Mota Season 3, 2012: Rúben Boa Nova Season 4, 2013: Luís Nascimento Season 5, 2014: Elisabete Moutinho Season 6, 2016: Helena Patrício Season 7, 2018: Tiago Rufino Season 8, 2024: Diogo Alexandre | Júlia Pinheiro (1) Teresa Guilherme (2–6) Manuel Luís Goucha (7) Cristina Ferreira (8) |
| Portugal | Secret Story: Desafio Final Secret Story: Final Challenge | TVI TVI Reality (live; 6–) TVI Direct (live; 1–5) | Season 1, 2013: Cátia Palhinha Season 2, 2014: Érica Silva Season 3, 2015: Sofia Sousa Season 4, 2017: Carlos Sousa Season 5, 2025: Current season | Teresa Guilherme (1–4) Cláudio Ramos (5) |
| Portugal | Secret Story: Luta Pelo Poder Secret Story: Power Struggle | TVI TVI Reality (live; 6–) TVI Direct (live; 1–5) | Season 1, 2015: Bruno Sousa | Teresa Guilherme |
| Portugal | Secret Story: O Reencontro Secret Story: The Reunion | TVI TVI Reality (live; 6–) TVI Direct (live; 1–5) | Season 1, 2018: Carina Ferreira | Manuel Luís Goucha |
| Romania | Big Brother | Prima TV | Season 1, 2003: Sorin Pavel Fisteag Season 2, 2004: Iustin Popovici | Andreea Raicu Virgil Ianțu |
| Russia | Большой Брат Bolshoy Brat Big Brother | TNT | Season 1, 2005: Anastasia Yagaylova | Ingeborga Dapkunaite |
| Scandinavia (Norway and Sweden) | Big Brother | Kanal 5 FEM | Season 1, 2005: Britt Goodwin Season 2, 2006: Jessica Lindgren | Brita Møystad Engseth (1–2) Adam Alsing (1) Hannah Rosander (2) |
| Scandinavia (Norway and Sweden) | Big Brother | Kanal 9 FEM | Season 3, 2014: Anders Olsson | Pia Lykke Adam Alsing |
| Second Life | Big Brother Second Life | World Wide Web | Season 1, 2006: Madlen Flint | None |
| Slovakia | Big Brother: Súboj (1) Big Brother: Duel | Markíza | Season 1, 2005: Richard Tkáč | Viliam Rozboril (1) Zuzana Belohorcová (1) |
| Slovakia | Big Brother Česko & Slovensko (Czech Republic and Slovakia) | Markíza Voyo | Season 2, 2023–24: Stanislav Liška | Míra Hejda (2) |
| Slovenia | Big Brother | Kanal A | Season 1, 2007: Andrej Novak Season 2, 2008: Naske Mehić Season 3, 2015: Pia Filipčič Season 4, 2016: Mirela Lapanović | Main hosts: Nina Osenar (1–2) Ana Maria Mitič (3) Manja Plešnar (4) Co-hosts: Matej Grm-Gušti (2) Emi Nikočević (4) Tibor Baiee (4) |
| Slovenia | Big Brother Slavnih Big Brother Famous | Pop TV | Season 1, 2010: Jože Činč | Nina Osenar |
| South Africa | Big Brother South Africa | M-Net Mzansi Magic Mzansi Wethu DStv (live) | Season 1, 2001: Ferdinand Rabie Season 2, 2002: Richard Cawood | Mark Pilgrim Gerry Rantseli |
| South Africa | Big Brother Mzansi | M-Net Mzansi Magic Mzansi Wethu DStv (live) |
| South Africa | Big Brother Mzansi | M-Net Mzansi Magic Mzansi Wethu DStv (live) | Season 1, 2014: Mandla Hlatshwayo Season 2, 2015: Nkanyiso "Ace" Khumalo & Ntombi Tshabalala Season 3, 2022: Michelle "Mphowabadimo" Mvundla Season 4, 2024: Siphephelo "McJunior" Zondi Season 5, 2025: Current season | Lungile Radu (1–2) Lawrence Maleka (3–4) Smash Afrika (5–) |
| South Africa | Celebrity Big Brother | M-Net Mzansi Magic Mzansi Wethu DStv (live) | Season 1, 2002: Bill Flynn | Mark Pilgrim Gerry Rantseli |
| South Africa | Big Brother Titans (Nigeria and South Africa) | M-Net Mzansi Magic Mzansi Wethu DStv (live) | Season 1, 2023 : Khosi Twala | Lawrence Maleka Ebuka Obi-Uchendu |
| Spain | Gran Hermano | Telecinco (Main show and Debate) Telecinco Estrellas (9) Telecinco 2 (10) LaSiete (11–14) Nueve (14) Divinity (15–18) Be Mad (live; 18) Quiero TV (live; 1–3) Vía Digital (live; 4–5) Digital+ (live; 6–11) GH 24H (live; 12) Mitele.es (live; 13–19) | Season 1, 2000: Ismael Beiro Season 2, 2001: Sabrina Mahí Season 3, 2002: Javito García Season 4, 2002–03: Pedro Oliva Season 5, 2003–04: Nuria Yáñez Season 6, 2004: Juanjo Mateo Season 7, 2005–06: Pepe Herrero Season 8, 2006: Naiala Melo Season 9, 2007: Judit Iglesias Season 10, 2008–09: Iván Madrazo Season 11, 2009–10: Ángel Muñoz Season 12, 2010–11: Laura Campos Season 13, 2012: Pepe Flores Season 14, 2013: Susana Molina Season 15, 2014: Paula González Season 16, 2015: Sofía Suescun Season 17, 2016: Beatriz Retamal Season 18, 2017: Hugo Sierra Season 19, 2024: Juan Luis Quintana | Main host: Mercedes Milá (1–2, 4–16) Pepe Navarro (3) Jorge Javier Vázquez (17–) Debate: Jesús Vázquez (4–5) Carolina Ferre (6) Jordi González (7–9, 11–13, 15–18) Jorge Javier Vázquez (10) Frank Blanco (14) Ion Aramendi (19–) |
| Spain | Gran Hermano VIP | Telecinco (Main show and Debate) Cuatro (7) Divinity (3–6) Be Mad (live; 6) Mitele.es (live; 3–8) | Season 1, 2004: Marlène Mourreau Season 2, 2005: Ivonne Armant Season 3, 2015: Belén Esteban Season 4, 2016: Laura Matamoros Season 5, 2017: Alyson Eckmann Season 6, 2018: Miriam Saavedra Season 7, 2019: Adara Molinero Season 8, 2023: Naomi Asensi | Main host: Jesús Vázquez (1–2) Jordi González (3–5; 7) Jorge Javier Vázquez (6–7) Marta Flich (8–) Debate: Carolina Ferre (1) Jordi González (2–3; 7) Sandra Barneda (4–6) Ion Aramendi (8–) |
| Spain | Gran Hermano 12+1: La Re-vuelta Gran Hermano 12+1: The Revolt | Telecinco (Main show and Debate) LaSiete Mitele.es (live) | Season 1, 2012: Alessandro Livi | Main host: Mercedes Milá Debate: Jordi González |
| Spain | Gran Hermano Dúo | Telecinco (Main show and Debate) Divinity Be Mad (live) Mitele.es (live) CincoMAS (Americas) | Season 1, 2019: María Jesús Ruiz Season 2, 2024: Lucía Sánchez Season 3, 2025: Marieta Díaz | Main host: Jorge Javier Vázquez (1) Jordi González (1) Marta Flich (2) Carlos Sobera (3) Debate: Jordi González (1) Ion Aramendi (2–) |
| Spain | Gran Hermano: El Reencuentro (1) El Reencuentro (2) The Reunion | Telecinco (Main show and Debate) LaSiete Digital+ (live; 1) | Season 1, 2010: Pepe Herrero & Raquel López Season 2, 2011: Juan Miguel Martínez & Yola Berrocal | Main host: Mercedes Milá (1) Jordi González (2) Debate: Jordi González (1) Christian Gálvez (2) |
| Spain | El Tiempo del Descuento | Telecinco CincoMAS (Americas) | Season 1, 2020: Gianmarco Onestini | Main host: Jorge Javier Vázquez Debate: Nuria Marín Font |
| Spain | Secret Story | Telecinco | Season 1, 2021: Luca Onestini Season 2, 2022: Rafa Martinez | Main host: Jorge Javier Vázquez (1) Carlos Sobera (2) Countdown: Carlos Sobera (1) Sandra Barneda (2) Debate: Jordi González (1) Toñi Moreno (2) |
| Sweden | Big Brother Sverige | Kanal 5 | Season 1, 2000: Angelica Freij Season 2, 2002: Ulrica Andersson Season 3, 2003: Danne Sörensen Season 4, 2004: Carolina Gynning | Adam Alsing |
| Sweden | Big Brother Sverige | TV11 | Season 5, 2011: Simon Danielsson Season 6, 2012: Hanna Johansson | Gry Forssell |
| Sweden | Big Brother Sverige | Kanal 11 | Season 7, 2015: Christian Sahlström | Adam Alsing |
| Sweden | Big Brother Sverige | Sjuan TV4 Play (stream) C More (live) TV4 (8; Premiere) | Season 8, 2020: Sami Jakobsson Season 9, 2021: Tanja Helen Ingebretsen Kallin | Malin Stenbäck (8–) Arantxa Álvarez (9) Adrian Boberg (8; Premiere) |
| Sweden | Big Brother Stjärnveckan Big Brother Week of the Stars | Kanal 5 | Season 1, 2002: Anki Lundberg | Adam Alsing |
| Switzerland | Big Brother Schweiz Big Brother Switzerland | TV3 | Season 1, 2000: Daniela Hahn Season 2, 2001: Christian Ponleitner | Daniel Fohrler (1) Eva Wannemacher (2) |
| Thailand | Big Brother Thailand | iTV (1–2) | Season 1, 2005: Nipon Perktim Season 2, 2006: Arisa Sonthirod | Saranyu Vonkarjun (1–2) Nana Raibeena (2) |
| Turkey | Big Brother Türkiye | Star TV | Season 1, 2015–16: Sinan Aydemir | Asuman Krause |
| Ukraine | Big Brother Україна Big Brother Ukraine | K1 | Season 1, 2011: Kristina Kotvickaja | Olha Horbachova Oleksiy Kurban |
| United Kingdom | Big Brother | Channel 4 S4C (1–10) TVN Lingua (2–4) | Series 1, 2000: Craig Phillips Series 2, 2001: Brian Dowling Series 3, 2002: Kate Lawler Series 4, 2003: Cameron Stout Series 5, 2004: Nadia Almada Series 6, 2005: Anthony Hutton Series 7, 2006: Pete Bennett Series 8, 2007: Brian Belo Series 9, 2008: Rachel Rice Series 10, 2009: Sophie Reade Series 11, 2010: Josie Gibson | Davina McCall MBE |
| United Kingdom | Big Brother | Channel 5 MTV (16–19) TV3 (16–18) Virgin Media One (19) | Series 12, 2011: Aaron Allard-Morgan Series 13, 2012: Luke Anderson Series 14, 2013: Sam Evans Series 15, 2014: Helen Wood Series 16, 2015: Chloe Wilburn Series 17, 2016: Jason Burrill Series 18, 2017: Isabelle Warburton Series 19, 2018: Cameron Cole | Brian Dowling (12–13) Emma Willis (14–19) |
| United Kingdom | Big Brother | ITV2 ITV (20, select live episodes) ITVX (stream, live feed) Virgin Media One | Series 20, 2023: Jordan Sangha Series 21, 2024: Ali Bromley Series 22, 2025: Upcoming series | Will Best AJ Odudu |
| United Kingdom | Celebrity Big Brother | Channel 4 BBC One (1) S4C (2–7) | Series 1, 2001: Jack Dee Series 2, 2002: Mark Owen Series 3, 2005: Bez Series 4, 2006: Chantelle Houghton Series 5, 2007: Shilpa Shetty Series 6, 2009: Ulrika Jonsson Series 7, 2010: Alex Reid | Davina McCall MBE |
| United Kingdom | Celebrity Big Brother | Channel 5 MTV (15–22) TV3 (16–18) 3e (19–22) Virgin Media Two (22) | Series 8, 2011: Paddy Doherty Series 9, Winter 2012: Denise Welch Series 10, Summer 2012: Julian Clary Series 11, Winter 2013: Rylan Clark Series 12, Summer 2013: Charlotte Crosby Series 13, Winter 2014: Jim Davidson Series 14, Summer 2014: Gary Busey Series 15, Winter 2015: Katie Price Series 16, Summer 2015: James Hill Series 17, Winter 2016: Scott 'Scotty T' Timlin Series 18, Summer 2016: Stephen Bear Series 19, Winter 2017: Coleen Nolan Series 20, Summer 2017: Sarah Harding Series 21, Winter 2018: Shane Jenek / Courtney Act Series 22, Summer 2018: Ryan Thomas | Brian Dowling (8–11) Emma Willis (12–22) |
| United Kingdom | Celebrity Big Brother | ITV ITVX (stream, live feed) Virgin Media Two Virgin Media Player | Series 23, 2024: David Potts Series 24, 2025: Upcoming series | Will Best AJ Odudu |
| United Kingdom | Teen Big Brother | Channel 4/E4 S4C | Series 1, 2003: Paul Brennan | Dermot O'Leary |
| United Kingdom | Big Brother Panto | Channel 4/E4 S4C | Series 1, 2004–05: No winner | Jeff Brazier June Sarpong |
| United Kingdom | Big Brother: Celebrity Hijack | Channel 4/E4 S4C | Series 1, 2008: John Loughton | Dermot O'Leary |
| United Kingdom | Ultimate Big Brother | Channel 4/E4 S4C | Series 1, 2010: Brian Dowling | Davina McCall |
| United States (English) | Big Brother (Broadcast edition) | CBS Showtime 2 (8–14) Pop (15–21) CBS.com/AOL (Live; 1) CBS All Access (Live; 15–22) Paramount+ (Live; 23–) Pluto TV (Live; 25–) | Season 1, 2000: Eddie McGee Season 2, 2001: Will Kirby Season 3, 2002: Lisa Donahue Season 4, 2003: Jun Song Season 5, 2004: Drew Daniel Season 6, 2005: Maggie Ausburn Season 8, 2007: Dick Donato Season 9, Winter 2008: Adam Jasinski Season 10, Summer 2008: Dan Gheesling Season 11, 2009: Jordan Lloyd Season 12, 2010: Hayden Moss Season 13, 2011: Rachel Reilly Season 14, 2012: Ian Terry Season 15, 2013: Andy Herren Season 16, 2014: Derrick Levasseur Season 17, 2015: Steve Moses Season 18, 2016: Nicole Franzel Season 19, 2017: Josh Martinez Season 20, 2018: Kaycee Clark Season 21, 2019: Jackson Michie Season 23, 2021: Xavier Prather Season 24, 2022: Taylor Hale Season 25, 2023: Jagateshwar "Jag" Bains Season 26, 2024: Chelsie Baham Season 27, 2025: Upcoming season | Current Julie Chen Moonves Former Ian O'Malley (1) Guest Jerry O'Connell (26) |
| United States (English) | Big Brother: All-Stars | CBS Showtime 2 (8–14) Pop (15–21) CBS.com/AOL (Live; 1) CBS All Access (Live; 15–22) Paramount+ (Live; 23–) Pluto TV (Live; 25–) | Season 7, 2006: Mike "Boogie" Malin Season 22, 2020: Cody Calafiore | Current Julie Chen Moonves Former Ian O'Malley (1) Guest Jerry O'Connell (26) |
| United States (English) | Big Brother: Over the Top (Digital edition) | CBS All Access | Season 1, 2016: Morgan Willett | Julie Chen Moonves |
| United States (English) | Celebrity Big Brother | CBS Pop CBS All Access (Live; 1–2) Paramount+ (Live; 3–) | Season 1, 2018: Marissa Jaret Winokur Season 2, 2019: Tamar Braxton Season 3, 2022: Miesha Tate | Julie Chen Moonves |
| United States (English) | Big Brother Reindeer Games | CBS Paramount+ | Season 1, 2023: Nicole Franzel-Arroyo | Derek Xiao Tiffany Mitchell Jordan Lloyd |
| United States (Spanish) | Gran Hermano | Telemundo | Season 1, 2016: Pedro Orta | Giselle Blondet |
| United States (Spanish) | La casa de los famosos The House of the Famous | Telemundo | Season 1, 2021: Alicia Machado Season 2, 2022: Ivonne Montero Season 3, 2023: Madison Anderson Season 4, 2024: Maripily Rivera | Current Jimena Gallego Javier Poza (5–) Former Héctor Sandarti (1–3) Nacho Lozano (4) |
| United States (Spanish) | La casa de los famosos: All-Stars The House of the Famous: All-Stars | Telemundo | Season 5, 2025: Current season | Current Jimena Gallego Javier Poza (5–) Former Héctor Sandarti (1–3) Nacho Lozano (4) |
| Vietnam | Người Giấu Mặt The person who hides his face Big Brother Vietnam | VTV6 | Season 1, 2013–14: Hoàng Sơn Việt | Huy Khánh |

## Big Brother: The Game

On 5 May 2020, Endemol Shine Group announced that an official Big Brother mobile game named Big Brother: The Game was being developed by Irish gaming company 9th Impact, with a worldwide release expected later that year. The game uses the US format, with competitions determining the Head of Household and Power of Veto holders, with an eviction cycle occurring each day. Players must form alliances with one another to stay in the game and advance to the next tier. Other users may spectate other games, but outside interference is strictly forbidden. Players were able to win up to $1,000,000 in prizes.
A trial season took place in the Republic of Ireland during the summer of 2020. The player Aoife Cheung won a €5000 prize after surviving four evictions. The game was officially launched on 15 October 2020 worldwide for both iOS, Android devices and PC platforms.
The first season concluded on 29 July 2021 and was won by Amy Elizabeth, a 31-year-old special education teacher from Delaware who won a grand prize of $33,270.
On March 7, 2023, a third season of the game was announced to launch later that year on mobile and PC platforms, including Steam. The grand prize was stated to be for up to $1,000,000, with new features being added in response to fan feedback. However, no global third season took place, with a special British and Irish-only version launching to coincide with the show returning to ITV2 and ITVX, in an official partnership with the broadcaster. This version featured overhauled graphics, with Banijay announcing that previous games had reached 500K players.

## Controversies
### Legal

In April 2000, Castaway, an independent production company, filed a lawsuit against John de Mol and Endemol for stealing the concepts of their own show called Survive!, a reality television show where contestants are placed on a deserted island and have to take care of themselves alone. These contestants were also filmed by cameras around them. The court later dismissed the lawsuit filed by Castaway against de Mol and Endemol. The Survive! reality television format was later turned into Survivor.
In 2000, the estate of George Orwell sued CBS Television and Endemol for copyright and trademark infringement, claiming that the program infringed on the Orwell novel 1984 and its trademarks. After a series of court rulings adverse to the defendants (CBS and Endemol), the case was settled for an undisclosed amount of money on the evening of the trial.

### Sexual assault

There have been three documented occurrences of possible rape happening during the show. In Big Brother South Africa, a male housemate was accused of assaulting a fellow housemate while she was asleep. The pair were filmed kissing and cuddling in bed before the cameras moved away and the male housemate reportedly claimed to housemates the next day that he had intercourse with the contestant. However, the female housemate was apparently shocked by the claims and informed female housemates that she had not consented to have sex with him (under South African law, this act would be constituted as rape). This male housemate was expelled immediately after the allegations surfaced and was later arrested pending investigation, while the female housemate was removed from the house for her own protection and counselling. After this incident, the other housemates were warned not to attempt any further obscene actions, or they would be subject to a penalty of 43 years in prison and immediate expulsion from the house.
In Big Brother Brasil, many viewers reported that they watched a male housemate allegedly force himself on a female housemate while she was passed-out drunk after a "boozy party". Soon after, the Polícia Federal entered the house and arrested the offending housemate, who was later banned from ever appearing on the show again.
Additionally, an incident of sexual assault occurred in the Australian Big Brother house in 2006, during the show's sixth season. Contestant Michael "John" Bric held down fellow contestant Camilla Severi in her bed while a second man, Michael "Ashley" Cox, "slapped" her in the face with his penis, an indecent act illegal under Australian law. The incident was shown on the 'Adults-only' late-night segment, Big Brother: Adults Only, leading to the show's cancellation. Both men involved in the incident were removed from the house.