Title: Celebrity Big Brother 3 (American season)
Content:  At the time of its announcement it was reported that the season would air in February 2022, during the 2021-22 television season, this time as counterprogramming to the 2022 Winter Olympics. 24/7 Live feeds and additional exclusive content will stream on Paramount+, previously CBS All Access, throughout the season. It was later announced that the season would premiere on February 2 and air through February 23, 2022.
Title: Celebrity Big Brother 1 (American season)
Content:  Brother would air sometime during the winter, before the twentieth season of Big Brother in the summer of 2018. CBS later confirmed via a press release that Julie Chen would return to host the new season, and Allison Grodner and Rich Meehan will be executive producers. The season will be produced by Fly on the Wall Entertainment in association with Endemol Shine North America. On September 13, 2017, it was revealed by Chen that her husband, CBS chief executive Leslie Moonves, forced her to take a pay cut for the celebrity edition to happen. Moonves stated, "You shouldn't be expected to be paid as if it's a full series. It's a condensed version."
Title: Big Brother 9 (American season)
Content:  Following the 2007-2008 Writers Guild of America strike, the trade magazine Variety reported that CBS, in response, was considering airing a winter edition of Big Brother, and that the network started cast auditions. Several sites speculated that the winter edition could have been an American version of Celebrity Big Brother  but this was untrue as CBS released a statement that the next edition of Big Brother would be a regular season following the format of past editions. The season was announced on November 15, 2007 with open casting calls being held from November 17, 2007 to December 8, 2007. The finalists for the season were chosen on December 27, 2007.
Title: Big Brother 23 (American season)
Content:  CBS announced that Big Brother had been renewed for a twenty-third season on October 28, 2020, with Chen Moonves confirmed to return as host on the same day. On May 13, 2021, it was announced that the season would be premiering on July 7, 2021. Key art for the season was released by Entertainment Weekly on June 16, 2021.
Title: Big Brother (Australian season 12)
Content:  On 23 October 2019, Seven Network confirmed it will be reviving the series in 2020. Rumours indicate the series will be closer in format to the American & Canadian versions - particularly given the upfronts trailer featured footage from Big Brother US 17, Big Brother Canada 2 and Big Brother Canada 3 as well as the emphasis on the phrase "Control, Evict, Win" in the promo. The reboot has been compared to Survivor - in which the politicking and strategising regarding the nomination and eviction processes are not only allowed (being disallowed in earlier iterations) but central to the format. Seven's Director of Programming Angus Ross confirmed there would be no regular live shows on 26 October. It was announced on 5 February 2020 that Sonia Kruger will return to host Big Brother.
Title: Big Brother 22 (American season)
Content:  CBS announced Big Brother had been renewed for a twenty-second season on September 5, 2019. Chen Moonves confirmed to return as host on the same day after signing a one-season contract extension with the network. Merchandise for the upcoming season briefly appeared on CBS' online store on July 20, 2020, featuring the title Big Brother: All-Stars with a redesigned logo. Allison Grodner and Rich Meehan will return as executive producers for the series which will be produced by Fly on the Wall Entertainment, in association with Endemol Shine North America. CBS announced the season would have a live two-hour premiere on August 5, 2020. For the first time since Big Brother: Over the Top this season will feature the HouseGuests moving into the House during live premiere. New episodes will air on Sunday/Wednesday/Thursday schedule as in previous seasons except all episodes will air in the 8:00 p.m. timeslot. Global will air the season in Canada in simulcast with CBS.
Title: Celebrity Big Brother (American TV series)
Content:  was renewed for a twenty-second season with Chen Moonves signing a new contract to return as host. However the new contract for Chen Moonves did not include a future season of Celebrity Big Brother with CBS not announcing anything official regarding the series. On November 11, 2019, CBS announced their 2020 winter schedule, which did not include Celebrity Big Brother. On December 28, 2020, Chen Moonves revealed that shortly after the conclusion of the twenty-second season of the civilian version of Big Brother that she and numerous producers pushed CBS to order a third season of Celebrity Big Brother but that they declined to order one at the time leaving the option open to still order a third season at a later date. A third season of Celebrity Big Brother was officially announced on September 9, 2021, for Winter 2022 with Julie Chen Moonves returning as host.
Title: Big Brother 20 (American season)
Content:  The series was announced in August 2016 as part of a double renewal for Big Brother 19 and Big Brother 20. Along with the series the 24/7 live feeds returned with a CBS All Access subscription and Big Brother: After Dark is also returned on Pop. The season is produced by Endemol Shine North America and Fly on the Wall Entertainment. Julie Chen returned as host and Allison Grodner as well as Rich Meehan returned as Executive Producers. CBS began allowing online applications in September 2017, however open casting calls did not begin until March 2018. Celebrity Big Brother winner and runner up Marissa Jaret Winokur and Ross Mathews host a new companion show known as Off the Block with Ross and Marissa following the end of former House Guest Jeff Schroeder's Big Brother Live Chat.
Title: Big Brother (Australian TV series)
Content:  since rebranded as Three, with the Seven iteration of the show in June 2020. This marked the first time the show has aired in primetime in New Zealand since the conclusion of the 2004 season due to the network needing to fill a scheduling gap caused by the COVID-19 pandemic delaying The Block NZ's ninth season to 2021. On 14 July 2020, it was announced due to low ratings, the show would be moving into a later timeslot and would drop to airing two episodes per week. The second season to air on Seven was broadcast online-only, via TVNZ OnDemand, starting 4 May 2021 with the first four episodes and each subsequent episodes being released within 48 hours of the Australian broadcast.
Title: Big Brother (Australian season 9)
Content:  that Big Brother would be family friendly and air at 7.00 pm. Several days after the news Big Brother was to return, Southern Star Group announced on their casting website that they would be accepting pre-audition applications for people who were interested in participating on the season. The official Facebook page for the show, as directed to by the Southern Star website, was opened on 15 September 2011. On 22 February 2012, it was officially announced that Big Brother would return to Dreamworld in 2012. Auditions began on 15 March, and took place in all major capital cities, as well as Gold Coast, in April and May 2012. More than twenty thousand people applied to be on the ninth season. The Official Big Brother Australia website reported that 14 housemates would be entering the house after going into lockdown on 4 August.

Question: when is winter big brother going to start?
Answer: February 7, 2018.