# Expedition Unknown

Expedition Unknown is an American reality television series produced by Ping Pong Productions, that follows explorer, archeologist and television presenter Josh Gates as he investigates mysteries and legends. The series premiered on January 8, 2015 and originally aired on Travel Channel before moving to Discovery Channel in 2018. The thirteenth season premiered on June 19, 2024.

## History

Expedition Unknown premiered on January 8, 2015, on the Travel Channel and broadcast four seasons through 2017.
At the start of the fifth season in 2018, the series moved to Discovery Channel, which became the new home for the series.
In February 2020, a spinoff Expedition X premiered on Discovery. The series focuses on paranormal subjects and is hosted by Gates with Phil Torres, Jessica Chobot (season 1-7), and Heather Amaro (season 8-). The eighth season of Expedition X premiered on August 14, 2024.
In April 2020, Gates debuted Josh Gates Tonight, a talk show spinoff on Discovery which originated as replacement programming during the COVID-19 pandemic. The series features Gates interviewing celebrity guests via videoconference. The series last aired in 2022 with its fifth season.

## Series overview

| Season | Episodes | Episodes | Originally released | Originally released |
| Season | Episodes | Episodes | First released | Last released |
| 1 | 12 | 12 | January 8, 2015 (2015-01-08) | April 2, 2015 (2015-04-02) |
| 2 | 20 | 20 | October 7, 2015 (2015-10-07) | June 22, 2016 (2016-06-22) |
| 3 | 18 | 18 | November 2, 2016 (2016-11-02) | June 14, 2017 (2017-06-14) |
| 4 | 10 | 10 | December 27, 2017 (2017-12-27) | February 28, 2018 (2018-02-28) |
| 5 | 7 | 7 | May 30, 2018 (2018-05-30) | September 6, 2018 (2018-09-06) |
| 6 | 10 | 10 | April 7, 2019 (2019-04-07) | May 29, 2019 (2019-05-29) |
| 7 | 13 | 13 | August 8, 2019 (2019-08-08) | October 31, 2019 (2019-10-31) |
| 8 | 8 | 8 | February 6, 2020 (2020-02-06) | March 25, 2020 (2020-03-25) |
| 9 | 6 | 6 | July 21, 2021 (2021-07-21) | August 25, 2021 (2021-08-25) |
| 10 | 14 | 14 | May 25, 2022 (2022-05-25) | August 31, 2022 (2022-08-31) |
| 11 | 8 | 8 | May 24, 2023 (2023-05-24) | July 12, 2023 (2023-07-12) |
| 12 | 8 | 8 | November 15, 2023 (2023-11-15) | January 3, 2024 (2024-01-03) |
| 13 | 7 | 7 | June 19, 2024 (2024-06-19) | July 31, 2024 (2024-07-31) |
| 14 | TBD | TBD | October 9, 2024 (2024-10-09) | TBD |
| EF | TBD | TBD | March 30, 2016 (2016-03-30) | TBD |
| YETI | 4 | 4 | October 5, 2016 (2016-10-05) | October 26, 2016 (2016-10-26) |
| ET | 4 | 4 | October 4, 2017 (2017-10-04) | October 25, 2017 (2017-10-25) |
| AL | 4 | 4 | October 7, 2018 (2018-10-07) | October 28, 2018 (2018-10-28) |
| AS | TBD | TBD | October 4, 2017 (2017-10-04) | TBD |
| JGT | TBD | TBD | April 1, 2020 (2020-04-01) | TBD |
| BTTF | 4 | 4 | March 15, 2021 (2021-03-15) | March 15, 2021 (2021-03-15) |

## Episodes
### Season 1 (2015)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1.1 | "Amelia Earhart" | January 8, 2015 (2015-01-08) | N/A |
| In the two-hour premiere, Gates seeks new evidence on the disappearance of Amelia Earhart. He first sets off to Papua New Guinea, where he treks through the uncharted jungle of tribal lands; then his journey brings him to Fiji, where he tries to discover her remains. ||||
| 1.2 | "Temple of Doom" | January 15, 2015 (2015-01-15) | 0.78 |
| In a search for a lost city, Gates goes to the remote jungles of Cambodia to investigate the ancient Khmer Empire to find a Linga stone, a 1,000-year-old relic that, legend has it, was used by the God King to incinerate his enemies. ||||
| 1.3 | "World's 8th Wonder" | January 22, 2015 (2015-01-22) | 0.85 |
| Gates' hunt for the Amber chamber takes him to Catherine Palace in St. Petersburg, Russia for research. Then to Germany, where he retraces the steps of Nazi soldiers who looted the treasure during World War II as he explores abandoned bunkers and a silver mine in hopes of finding the chamber. ||||
| 1.4 | "The Legend of Jesse James" | January 29, 2015 (2015-01-29) | N/A |
| Gates searches across the American Midwest for outlaw Jesse James' "gold loot," which he and his gang stole from guards in Mexico. He walks a mile in James's boots, following his trail from his farm in Kearney, Missouri to Robbers Cave, where he rappels off a cliff to find this hidden treasure, then to Cement, Oklahoma, to join up with a team using high-tech equipment. ||||
| 1.5 | "City of Gold" | February 5, 2015 (2015-02-05) | 0.86 |
| Gates travels through Peru in search for the Incan lost city of Paititi. His journey takes him from Cusco to the heights of Machu Picchu and finally into the Amazon's jungles. ||||
| 1.6 | "Viking Sunstone" | February 12, 2015 (2015-02-12) | 0.92 |
| Gates tries to unlock the secrets to the Sunstone of the Vikings while traveling through the British island of Alderney and Norway, where he explores a crypt underneath Nidaros Cathedral to find the final resting place of Viking king St. Olaf. Later, he descends into a 37-mile-long (60 km) calcite mine to make his own sunstone, testing its power while at sea with locals who live like Vikings. ||||
| 1.7 | "Captain Morgan's Lost Gold" | February 19, 2015 (2015-02-19) | 1.01 |
| Gates joins archaeologists in Panama as they search for the Satisfaction, the sunken flagship of pirate Captain Henry Morgan. He also searches one of many shipwrecks near Fort San Lorenzo at the reef, where Morgan's ship ran aground. ||||
| 1.8 | "Code to Gold" | February 26, 2015 (2015-02-26) | 0.93 |
| Gates searches the Virginia backcountry in search of the Thomas Beale treasure. He meets up with local treasure hunters and explores a 4-mile search radius in Bedford County using a printed copy of the Declaration of Independence, believed to have hidden symbols that James B. Ward, the author of the Beale Papers encoded. He then meets with a crypto-analyst to get further evidence on the hoax theory. ||||
| 1.9 | "Mayan Apocalypse" | March 5, 2015 (2015-03-05) | 0.83 |
| Gates investigates the fall of the Mayan Empire. He explores the many cenotes— caverns believed to be gateways to the underworld—below the jungles and many ruins of Mexico, including the largest Mayan city, Chichén Itzá. While scuba diving in the dark waters of the Holtun Cenote, he unearths human skulls and ancient sacrificial altars, which gets him closer to why their empire collapsed. ||||
| 1.10 | "Secrets of the Nazca" | March 19, 2015 (2015-03-19) | 0.97 |
| Gates flies to Peru to investigate the giant geoglyphs known as the Nazca Lines that were drawn into the desert by the ancient Nazca tribe. By studying newly found lines recently discovered on a mountain made by the Paracas people and joining a Nazca psychedelic ritual, he uncovers the supposed meaning behind the tracings. ||||
| 1.11 | "Samurai Sword of Power" | March 26, 2015 (2015-03-26) | 0.86 |
| Gates heads to Japan to search for the missing Honjo Masamune sword. After learning about the legend of this katana, his search takes him to the back alleys of Tokyo and the city's red-light district, an ancestral burial ground, Imperial tunnels in Nagano, and an ancient mountaintop Shinto shrine in Togakushi. ||||
| 1.12 | "Curse of the Golden Bell" | April 2, 2015 (2015-04-02) | 0.72 |
| Gates travels to Myanmar to join in the search for the Golden Bell of King Dhammazedi, believed to be sunk at the bottom directly in the center of the Bago River, the Yangon River and the Pazundaung Creek when Portuguese warlord Filipe de Brito e Nicote's ship was wrecked in 1599 after stealing the massive bell. ||||

### Season 2 (2015–16)

| No. | Title | Original release date | U.S. viewers (millions) |
| 2.1 | "The Quest for King Arthur" | October 7, 2015 (2015-10-07) | 0.60 |
| Gates investigates whether King Arthur was real and, if so, who was he? He searches for answers in Arthur's reputed birthplace at Tintagel Castle in Cornwall, and then in the ruins of Glastonbury Abbey in Somerset, site of the alleged discovery of the tomb of King Arthur and Queen Guinevere. Finally, he visits Dunadd in Scotland, where he meets an author who believes that a Scot named Arthur Mac Aedan is the historical basis of the King Arthur legend. ||||
| 2.2 | "Genghis Khan's Tomb" | October 14, 2015 (2015-10-14) | 0.63 |
| Gates researches the legends about Genghis Khan to get ready for his journey to search for his long-lost tomb. It is believed to be somewhere in Mongolia at what's known as the "forbidden zone" located on top of the "Holy Mountain" or Burkhan Khaldun, which is guarded by a local tribe and completely closed off to foreigners. ||||
| 2.3 | "Blackbeard's Hidden Gold" | October 21, 2015 (2015-10-21) | 0.55 |
| Gates goes to sea in search of Blackbeard's buried gold. He explores underwater sea caves in Cayman Brac, gets up close to his wrecked flagship Queen Anne's Revenge, and drives down the Outer Banks on North Carolina's coast to dig up artifacts on Ocracoke Island, the site of his last stand. ||||
| 2.4 | "Hunting Vampires" | October 28, 2015 (2015-10-28) | 0.52 |
| Gates digs up the truth behind vampire legends. His travels start at Curtea Veche in Romania, where he learns about Vlad the Impaler, the inspiration behind Dracula. Then off to Marotinu de Sus, a Romanian village, where six men desecrated a fresh grave, believing it to be a "strigoi." He ends in Perperikon, Bulgaria, to examine a supposed vampire grave. ||||
| 2.5 | "The Real Robin Hood" | November 4, 2015 (2015-11-04) | 0.52 |
| Gates travels the English countryside on a mission to learn if Robin Hood was a real man and if he's the hero from the legends or a murderous outlaw. He visits London's British Library, explores tunnels and caves beneath Nottingham, and joins historians in search of Hood's grave, first in Kirklees Priory, Yorkshire, and lastly at a churchyard in Loxley, where researchers believe an outlaw named Roger Godberd who was the real Robin Hood is buried. ||||
| 2.6 | "Finding Fenn's Fortune" | November 18, 2015 (2015-11-18) | 0.46 |
| Gates searches for the treasure of art dealer Forrest Fenn, who, after being diagnosed with terminal cancer, hid his fortune, worth $2 million, deep in the Rocky Mountains north of his hometown of Santa Fe, New Mexico. ||||
| 2.7 | "Columbus Unearthed" | December 9, 2015 (2015-12-09) | 0.66 |
| The search for Christopher Columbus continues with finding his missing remains. Gates follows his five-century voyage across two continents to search for his final resting place, believed to be at Columbus Lighthouse in Santo Domingo, Dominican Republic or at Cathedral of Saint Mary of the See in Seville, Spain, both countries laying claim to his bones. ||||
| 2.8 | "Japan's Atlantis" | December 16, 2015 (2015-12-16) | 0.63 |
| Gates goes to the ruins of Yonaguni Island, the westernmost Japanese island on the East China Sea, to determine whether the undersea structures are geologic or man-made. The Yonaguni Monument discoverer, Kihachiro Aratake, dives with Josh, showing him the undersea area with cut steps leading up to a level platform. Josh takes a rock sample for geologic analysis. In Osaka, archaeologist Michio Maezano shows Josh an ancient rock tomb. It proves that ancient people could have carved the Yonaguni structures, and an earthquake could have sunk them. Geologist Masahide Furukawa examines the rock sample composed of layered sandstone and shale. A stress test on the rock causes it to break along bedding planes, forming a flat surface, concluding the Yonaguni monument is a natural product of tectonics and wave action. ||||
| 2.9 | "True Cross of Christ" | December 23, 2015 (2015-12-23) | 0.88 |
| Gates searches for the True Cross. This relic said to have mystical healing powers, has been lost for 2,000 years. Gates visits Jerusalem, Israel and Istanbul, Turkey to find if the cross or fragments of it still exist. The cross was cut into three pieces on the orders of Empress Helena. He examines this legend at the Church of the Holy Sepulchre in the Old City where the tomb of Jesus is located and where he was crucified. Then he learns more about crucifixion in Tel Aviv and discovers ancient cross wall carvings at the Church of the Nativity in Bethlehem. Next, he heads to the Ayasofya in Constantinople, where priests hid pieces of the relic under the nearby Hippodrome. Lastly, he joins archaeologists at a dig in Sinop, Turkey. ||||
| 2.10 | "The Sultan's Heart" | January 6, 2016 (2016-01-06) | 0.63 |
| Gates hunts for the Heart of Suleiman the Magnificent, ruler of the Ottoman Empire in the 16th century. When Suleiman died in 1566 during a battle in Hungary, his body was brought back to Istanbul, but not before a ritual was performed involving the removal of his heart being placed in a gold container and buried beneath his tent. The Sultan's followers believed his heart had magical powers and continued to beat, waiting to be returned to its host. The town of Tubek was built over the burial site to honor the Sultan. Invaders destroyed this now-lost city a century later, and the heart vanished. ||||
| 2.11 | "Africa's Gold Hoard" | January 13, 2016 (2016-01-13) | 0.70 |
| Gates travels to South Africa to search for the missing Kruger Millions, the gold coins of the country's entire financial reserve. The treasure vanished overnight after South African President Paul Kruger loaded the hoard on a train, and it vanished overnight in 1900 during the Boer War. ||||
| 2.12 | "Kalahari Desert's Lost City" | January 27, 2016 (2016-01-27) | 0.68 |
| Gates searches for a lost city in the Kalahari Desert in Africa. First discovered by circus pioneer The Great Farini in 1885, he supposedly came across the ruins of a lost city half buried in the scorching sands. Those who followed in his footsteps came up empty-handed and claimed it a hoax, while others vanished. Today, a modern explorer launched an all-new expedition, which Gates joins. ||||
| 2.13 | "Yamashita's Gold" | February 10, 2016 (2016-02-10) | 0.74 |
| Gates searches for Yamashita's Gold. These millions of dollars in Southeast Asian gold and jewels were looted by Japan and covertly transported to the Philippines under the direction of Japanese general Tomoyuki Yamashita during World War II. The fortune was hidden by gangsters, military generals, and a secret organization in tunnels and caves in the conquered country. But the treasure was lost when the Allies won the war, until a treasure hunter found part of it in 1970 and has been searching for it ever since. ||||
| 2.14 | "Columbus: Legend or Liar?" | February 17, 2016 (2016-02-17) | 0.59 |
| Gates investigates the myths behind Christopher Columbus. To some he is an epic hero, to others a bloodthirsty conqueror. He learns the truth about the explorer's early years, nationality, and real discoveries. ||||
| 2.15 | "Secrets of Shangri-La" | March 2, 2016 (2016-03-02) | 0.64 |
| Gates searches high in the Himalayas for Shangri-La. He learns of its legend as a hidden utopia. In the most remote reaches of Nepal near the border of Tibet is an area known as the Mustang, an area that's been closed off to the outside world and the passage of time. But now Josh and his fellow archaeologists have been granted access to explore it. He finds secrets hiding inside its sky caves, man-made chambers carved into cliff walls. ||||
| 2.16 | "Shangri-La Found" | March 9, 2016 (2016-03-09) | 0.83 |
| After learning about the ancient Buddhist realm of Shambhala in Kathmandu and exploring the sky caves, Gates continues his search for the real Shangri-La. This time, he discovers a rock tower used for human burials and filled with bones dating back to 800 A.D. Next, he travels to Lo Manthang for another day of investigation in the Martzon area to climb a cave system called Pumamba which is linked to the legend. Then he heads to Chuusang, a remote cave monastery that has never been excavated. ||||
| 2.17 | "Lost Mexican City" | June 1, 2016 (2016-06-01) | 0.68 |
| Gates searches for the civilization of Teotihuacan, a lost empire left behind in Mexico with pyramids dedicated to the gods, temples, and a treasure trove of cryptic art. He seeks answers on who these indigenous people were, finds out their secrets that have been buried for 2,000 years, and what they left behind. ||||
| 2.18 | "Incan King's Mummy" | June 8, 2016 (2016-06-08) | 0.73 |
| Gates searches for the lost mummy of Atahualpa, the last king of the Incan empire, hidden high in the Andes Mountains and in the jungles and highlands of Ecuador. His reign ended when Spanish Conquistador Francisco Pizarro murdered him and brought the Inca civilization to an end. His body was mummified in a ritual that supposedly gave him sway over the world of the living. Then, his body vanished. Archaeologists have been searching ever since. ||||
| 2.19 | "Nazi Gold Train" | June 15, 2016 (2016-06-15) | 0.76 |
| Gates exposes Nazi secrets as he searches for the lost fortune of war criminal Adolf Hitler's billions in gold, art, and relics stolen on his orders by the Nazis. They also built networks of hidden tunnels and bunkers. Today, archaeologists use modern technology to recover treasure and excavate the underground legacy of the Third Reich. Gates joins them, first finding answers in Germany, identifying gold in a Nazi train hidden inside a mountain in Poland. Then, they explore an underground facility in Austria, to a top-secret lab to build a war machine. ||||
| 2.20 | "Nazi Gold and Atomic Secrets" | June 22, 2016 (2016-06-22) | 0.94 |
| The search for Nazi secrets and their stolen gold continues underground and underwater. This time, Gates dives for relics of the Nazi foreign minister Joachim Von Ribbontrop who sank his family's entire fortune in Lake Fuschlsee in the Austrian Alps. To learn if the Nazis were building an atomic bomb, he starts his quest for answers in Hitler's hometown of Linz. Then, he stops at the Mauthausen-Gusen concentration camp memorial in Sankt Georgen an der Gusen to pay his respects to the hundreds of thousands who perished here. He also explores 25 miles of tunnel under the Bergkristall complex, the largest secret underground facility ever built. It was designed by SS General Hans Kammler to oversee the Nazi's nuclear project. ||||

### Season 3 (2016–17)

| No. | Title | Original release date | U.S. viewers (millions) |
| 3.1 | "Plummer's Gold" | November 2, 2016 (2016-11-02) | 0.70 |
| Gates sets off for gold rush country to search for the lost fortune of a Montana sheriff. During his investigation, he explores hidden cave systems and blows open a mine sealed for over a century. ||||
| 3.2 | "The Lost Tomb of Attila the Hun" | November 9, 2016 (2016-11-09) | 0.87 |
| Gates travels to Hungary to join three separate archeological teams looking for the lost tomb of Attila the Hun. Legends and ancient texts lead the search from the bottom of the Danube to the mountain forests just outside of Budapest. ||||
| 3.3 | "The Vanished Empire" | November 16, 2016 (2016-11-16) | 0.90 |
| On the Mediterranean island of Crete, the Minoans built one of the most glorious ancient civilizations and vanished. Gates travels to Greece to discover exactly how Europe's first superpower disappeared. ||||
| 3.4 | "The Lost Colony of Roanoke" | November 23, 2016 (2016-11-23) | 0.77 |
| Gates joins leading archeologists as they investigate America's first missing-persons case, the lost colony of Roanoke. ||||
| 3.5 | "Cloning the Woolly Mammoth" | December 28, 2016 (2016-12-28) | 1.03 |
| To help clone the extinct woolly mammoth back to life, Gates visits the Korean biotech lab driving the project and excavates ancient bones in a working Canadian gold mine. He then descends into a vast sinkhole in Siberia to unearth frozen DNA. ||||
| 3.6 | "Journey to the Ice Age" | January 4, 2017 (2017-01-04) | 0.96 |
| To find a viable sample of mammoth DNA, Gates retrieves bone samples from the massive Batagay crater, then journeys far upriver to a site in the Siberian wilderness where tusk hunters carve out troves of bones from the permafrost. He takes the DNA samples to the lab and watches the process of treating and testing the specimens. At last, he views the DNA results to determine if the woolly mammoth will walk the earth again. ||||
| 3.7 | "Cracking the D.B. Cooper Case" | January 11, 2017 (2017-01-11) | 0.94 |
| Gates investigates the only unsolved plane hijacking in US history. He joins private individuals hunting for D.B. Cooper in the Pacific Northwest. He discovers new clues and theories before jumping out of a plane as Cooper did. ||||
| 3.8 | "Lasseter's Gold" | January 18, 2017 (2017-01-18) | 0.91 |
| Gates sets off deep into the Australian Outback, following the footsteps of explorer Harold Lasseter, who claims to have found a vast field of gold. He speaks to two of Australia's Lasseter experts. ||||
| 3.9 | "Tracking Tasmania's Tiger" | January 25, 2017 (2017-01-25) | 0.92 |
| Gates goes to Tasmania to investigate sightings of the supposedly extinct thylacine, also known as the tasmanian tiger. Recent eyewitness accounts and photographic evidence suggest it may not be extinct. ||||
| 3.10 | "Captain Kidd's Treasure" | February 22, 2017 (2017-02-22) | 0.89 |
| Gates retraces the footsteps of Captain Kidd in the hopes of finding his buried treasure. From the East Coast to the Caribbean, the search takes him to a real pirate shipwreck and the island hideout of the buccaneer. ||||
| 3.11 | "Africa's Cursed Lake of Gold" | March 1, 2017 (2017-03-01) | 0.92 |
| Gates journeys to the wilds of Namibia to embark on a deep dive in Lake Otjikoto for a long lost World War I treasure. ||||
| 3.12 | "The Ark of the Covenant" | March 8, 2017 (2017-03-08) | 0.92 |
| Gates emulates Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the relic said to contain the Ten Commandments. ||||
| 3.13 | "England's Vanished Crown Jewels" | March 15, 2017 (2017-03-15) | 1.04 |
| Gates tries to find the lost treasure of King John. He explores the marshlands of England to find the king's crown jewels, which were swept away in a freak tidal surge in the 13th century. ||||
| 3.14 | "Corsica's Nazi Treasure" | March 22, 2017 (2017-03-22) | 0.92 |
| Gates hunts for the hidden treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent. The search brings him to never-explored underground lakes and undersea relics of World War II. ||||
| 3.15 | "Italy's Barbarian Booty" | May 31, 2017 (2017-05-31) | 0.93 |
| To find the plundered riches of the Roman Empire, Gates looks for the tomb of the Visigoth king Alaric in Italy. The hunt extends from Rome to the southern city of Cosenza, where the mayor is spearheading an effort to find the tomb. ||||
| 3.16 | "India's Atlantis" | June 7, 2017 (2017-06-07) | 0.92 |
| Gates travels to India in search of Dwarka, a mythical kingdom swallowed by the ocean. To find evidence that the golden city is real, he dives into the Arabian Sea and visits a dig site. ||||
| 3.17 | "Lost Spanish Fortune Found!" | June 14, 2017 (2017-06-14) | 0.92 |
| Gates travels to the coast of Florida and Cuba in search of a sunken treasure from a fleet of Spanish ships sunk in 1715; the hunt takes him deep into the Atlantic and the National Archives of Cuba. ||||

### Season 4 (2017–18)

| No. | Title | Original release date | U.S. viewers (millions) |
| 4.1 | "Viking Secrets" | December 27, 2017 (2017-12-27) | N/A |
| Gates investigates how a group of Norse tribesmen gained power in medieval Europe, traveling to Denmark and Iceland. ||||
| 4.2 | "Vikings in America" | January 3, 2018 (2018-01-03) | N/A |
| Gates follows the Vikings' westward expansion from Iceland to Greenland and North America. ||||
| 4.3 | "Origins of Stonehenge" | January 10, 2018 (2018-01-10) | N/A |
| Gates travels to Britain to explore the origins of Stonehenge and views a selection of monuments. ||||
| 4.4 | "The Secret" | January 17, 2018 (2018-01-17) | N/A |
| Gates travels all over the US to attempt to find the treasures featured in The Secret, a cryptic book published in the 1980s. He meets with members of the book's following, who each think they're about to find one of the ten remaining treasures. ||||
| 4.5 | "Butch Cassidy's Lost Loot" | January 24, 2018 (2018-01-24) | N/A |
| Gates investigates Butch Cassidy's missing money in Colorado, Utah, and Nevada. ||||
| 4.6 | "Hunt For The Metal Library" | January 31, 2018 (2018-01-31) | N/A |
| Gates goes to the jungles of Ecuador to explore a flooded cave, looking for some metal plates. ||||
| 4.7 | "Great Women of Ancient Egypt" | February 7, 2018 (2018-02-07) | N/A |
| Gates goes to Egypt to investigate Hatshepsut, Nefertiti, and Cleopatra. (Part 1 of 2). ||||
| 4.8 | "Egypt's Lost Queens" | February 14, 2018 (2018-02-14) | N/A |
| Gates continues to investigate Hatshepsut, Nefertiti, and Cleopatra. (Part 2 of 2). ||||
| 4.9 | "Global Game Show: Out of This World" | February 21, 2018 (2018-02-21) | N/A |
| Game show on the theme of extraterrestrials ||||
| 4.10 | "Secrets of Brother XII" | February 28, 2018 (2018-02-28) | N/A |
| Gates attempts to uncover a treasure left behind by the Aquarian Foundation. ||||

### Season 5 (2018)

Season 5 started on Tuesday May 29, 2018. The series moved to the Discovery Channel for its 5th season.
| No. | Title | Original release date | U.S. viewers (millions) |
| 5.1 | "Pyramid of Legends" | July 12, 2018 (2018-07-12) | N/A |
| Josh ventures into the ancient Mayan city of El Mirador, searching for the lost tombs of a mysterious ruling dynasty called the Snake Kings. ||||
| 5.2 | "Lost City Of El Mirador" | July 19, 2018 (2018-07-19) | N/A |
| Josh concludes his investigation into the mysterious Maya city of El Mirador, from the possible burial of the elusive Snake Kings to uncovering the secrets behind the fall of one of history's greatest ancient cities. ||||
| 5.3 | "Nazis In Argentina" | July 26, 2018 (2018-07-26) | N/A |
| Josh ventures to Argentina, where many Nazi SS officers escaped after World War II. ||||
| 5.4 | "Lost Gold Of Jean Lafitte" | August 3, 2018 (2018-08-03) | N/A |
| Josh ventures to the American South to uncover the mystery of real-life buccaneer Jean Laffite and the location of his hidden treasure. ||||
| 5.5 | "Mahogany Ship" | August 10, 2018 (2018-08-10) | N/A |
| Josh searches along Australia's infamous Shipwreck Coast for the missing Mahogany Ship. ||||
| 5.6 | "Hunt for the Ruby Slippers" | August 17, 2018 (2018-08-17) | N/A |
| Josh investigates the theft of one of the most iconic pieces of Hollywood memorabilia of all time -- the ruby slippers worn by Judy Garland in the 1939 classic movie, The Wizard of Oz. ||||
| 5.7 | "Solved: Mystery of the Lost Ruby Slippers" | September 6, 2018 (2018-09-06) | N/A |
| With updates following the recovery of the ruby slippers - Josh investigates the theft of one of the most iconic pieces of Hollywood memorabilia of all time: the ruby slippers worn by Judy Garland in the 1939 classic movie, The Wizard of Oz. ||||

### Season 6 (2019)

| No. | Title | Original release date | U.S. viewers (millions) |
| 6.1 | "Egypt Live" | April 7, 2019 (2019-04-07) | N/A |
| From Egypt, Josh gains access to an underground tomb complex, where a sealed sarcophagus may contain the identity of a mummy who has remained a mystery for 3,000 years. ||||
| 6.2 | "Deciphering the Last Nazi Code" | April 10, 2019 (2019-04-10) | N/A |
| Josh ventures into the former Third Reich in search of an elusive Nazi fortune hidden with a code allegedly created by Adolf Hitler's private secretary and embedded into a piece of sheet music. ||||
| 6.3 | "Mysteries of Jesus" | April 17, 2019 (2019-04-17) | N/A |
| Josh journeys to the Holy Land to discover where Jesus was born; his investigation leads to potentially explosive revelations that may change people's understanding of Jesus' origin story. ||||
| 6.4 | "Atlantis of the Andes" | April 24, 2019 (2019-04-24) | N/A |
| Josh dives into a mystery below the surface of Lake Titicaca in South America and discovers multiple structures of the ancient Tiwanaku people, including ruins hidden in the depths, dubbed the Atlantis of the Andes. ||||
| 6.5 | "Lost Gold of Scotland" | May 1, 2019 (2019-05-01) | N/A |
| Josh heads to the Scottish Highlands to search for a huge gold reserve hidden after the Jacobite Uprising of 1745 that was never recovered. He joins treasure hunters chasing a lead across the Highlands. ||||
| 6.6 | "Ghost Ship of the Great Lakes" | May 8, 2019 (2019-05-08) | N/A |
| Josh uses a state-of-the-art two-man submersible to find The Griffon, the first ship to be lost in the Great Lakes. ||||
| 6.7 | "Legend of the Crystal Skull" | May 15, 2019 (2019-05-15) | N/A |
| Josh takes on Central America's jungles to investigate the legendary crystal skull discovered by a renowned adventurer who inspired the movie character Indiana Jones. ||||
| 6.8 | "America's Lost WWII Hero" | May 22, 2019 (2019-05-22) | N/A |
| Josh explores the case of WASP pilot Gertrude "Tommy" Tompkins, who went missing in her P-51 Mustang during World War II; he joins search teams using modern technology to locate Tompkins' lost aircraft. ||||
| 6.9 | "The Hunt for the Golden Owl" | May 29, 2019 (2019-05-29) | N/A |
| Josh uses a book of riddles with cryptic clues and joins treasure hunters using new leads to find the Golden Owl statuette hidden somewhere in France. ||||

### Season 7 (2019)

| No. | Title | Original release date | U.S. viewers (millions) |
| 7.1 | "Mysteries Of The Dead Sea Scrolls" | August 8, 2019 (2019-08-08) | N/A |
| Josh travels to the Holy Land to dig in with an archaeologist who recently discovered new Dead Sea Scrolls. He also sees cutting-edge technology restoring scroll fragments in a way that could change how we read the Bible. ||||
| 7.2 | "Treasure Of The Copper Scroll" | August 15, 2019 (2019-08-15) | N/A |
| Josh investigates a unique Dead Sea Scroll etched with riddles that could lead to an ancient treasure. Following new leads, he treks into the punishing Jordanian desert in search of the potential fortune. ||||
| 7.3 | "Chasing The Fortune Of Sir Francis Drake" | August 22, 2019 (2019-08-22) | N/A |
| Josh searches land and sea for the lost fortune of legendary pirate Sir Francis Drake. Joining treasure hunters and maritime archaeologists, he hunts for a lost cache of Spanish gold and the remains of Drake himself. ||||
| 7.4 | "Mystery Of Dead Mountain" | August 29, 2019 (2019-08-29) | N/A |
| Braving the sub-zero conditions of Siberia, Josh investigates one of the strangest and most brutal cold cases: the Dyatlov Pass incident. Nine Soviet hikers died suspiciously. Sixty years later, no one knows how or why. ||||
| 7.5 | "Siberia's Coldest Case" | September 5, 2019 (2019-09-05) | N/A |
| Josh concludes his in-depth investigation of the Dyatlov Pass Incident. Taking on Dead Mountain's brutal conditions, he and two investigators retrace the hikers' last steps, and a big discovery could finally solve the mystery. ||||
| 7.6 | "The Search For Florida's Lost Pirate" | September 12, 2019 (2019-09-12) | N/A |
| Josh sets sail for Florida, chasing the long-lost treasure of José Gaspar. Josh joins marine archaeologists and treasure hunters working to crack the mysteries of the pirate's life so they can find the riches he left behind. ||||
| 7.7 | "Hunt For The Chupacabra" | September 19, 2019 (2019-09-19) | N/A |
| In the dark caves and thick jungles of Puerto Rico, Josh tracks a possible chupacabra. ||||
| 7.8 | "Lost Tomb Of The Mummy" | September 19, 2019 (2019-09-19) | N/A |
| Josh heads to an active dig site in Egypt, where he joins famous archaeologist Dr. Zahi Hawass on the cusp of an incredible discovery: the mummy of an ancient high priest. ||||
| 7.9 | "Chasing the Snake Kings" | September 25, 2019 (2019-09-25) | N/A |
| With a potential breakthrough in the search for a Snake King tomb, Josh returns to the jungles of Guatemala and the archaeological dig at the ancient Mayan city of El Mirador; the archeologists attempt to pinpoint the tomb's location. ||||
| 7.10 | "Cracking the Secret" | October 2, 2019 (2019-10-02) | N/A |
| Josh is on a nationwide treasure hunt to solve a mystery no one has cracked for 40 years: The Secret. He travels coast-to-coast and back in time using cutting-edge augmented reality and tapping into a network of obsessed Secret detectives. ||||
| 7.11 | "Gold Rush Of The Atlantic" | October 10, 2019 (2019-10-10) | N/A |
| Josh has a fresh lead on the massive lost treasure of the shipwrecked 1715 Spanish fleet. He returns to Florida's Atlantic coast and dives in with a new expedition that uses the latest tech to locate the fleet's flagship. ||||
| 7.12 | "Search For The Sultan's Heart" | October 17, 2019 (2019-10-17) | N/A |
| Four years after Josh went on a journey to find the lost heart of Sultan Suleiman the Magnificent, he travels to the newly rediscovered town of Turbek for some shocking new revelations about the case. ||||
| 7.13 | "The Secret Solved" | October 31, 2019 (2019-10-31) | N/A |
| Breaking news sends Josh racing across the globe. One of the wickedly hard puzzles of The Secret, which he has been chasing for years, might have been solved, and while he's been crisscrossing the US, this solution is in his hometown. ||||

### Season 8 (2020)

| No. | Title | Original release date | U.S. viewers (millions) |
| 8.1 | "Digging Into D-Day" | February 5, 2020 (2020-02-05) | 1.515 |
| Josh touches down in Normandy to investigate land, air, and sea battles. The expedition reveals a Nazi threat greater than ever imagined, unearthing a massive German bunker complex buried for 75 years. ||||
| 8.2 | "Searching For America's Lost Flight" | February 12, 2020 (2020-02-12) | 1.510 |
| The mysterious vanishing of Northwest Flight 2501 with 58 people aboard. ||||
| 8.3 | "Hunting Our Ancient Ancestors" | February 19, 2020 (2020-02-19) | 1.264 |
| In search of humanity's origins, Josh joins researchers in Tanzania who are unearthing traces of human ancestors at the prehistoric site Laetoli. He witnesses the predatory behavior of lions and joins a traditional hunt with the Hadza people. ||||
| 8.4 | "Revealing Our Ancient Ancestors" | February 26, 2020 (2020-02-26) | 1.192 |
| Josh continues his exploration of human evolution, observing chimpanzees at Gombe Stream National Park. In South Africa, he delves into the Sterkfontein caves where the Australopithecus Little Foot was discovered and visited a prehistoric archaeological site in Pondoland. ||||
| 8.5 | "The Warrior Queen's Treasure" | March 4, 2020 (2020-03-04) | 1.436 |
| Searching across England, Josh unearths a cache of ancient treasure as he chases the legend of Queen Boudica, the legendary Celtic queen who nearly defeated the invading Roman army 2,000 years ago. ||||
| 8.6 | "The Fortune of the Buzzard" | March 11, 2020 (2020-03-11) | 1.227 |
| Josh takes on the Indian Ocean's punishing waters as he chases the lost treasure of Olivier Levasseur, AKA "The Buzzard," rumored to be worth more than a billion dollars. ||||
| 8.7 | "Mysteries of Bermuda Triangle" | March 18, 2020 (2020-03-18) | 1.374 |
| Josh dives into the mysteries of the Bermuda Triangle. His investigation leads him to the ocean floor, the skies above, and even the edge of space as he tackles some of the most intriguing disappearances in history. ||||
| 8.8 | "Revealing the Bermuda Triangle" | March 25, 2020 (2020-03-25) | 1.441 |
| Concluding his epic investigation, Josh uses cutting-edge technology to investigate the Triangle's most infamous shipwreck and lost flights. ||||

### Season 9 (2021)

| No. | Title | Original release date | U.S. viewers (millions) |
| 9.1 | "Dillinger's Lost Loot" | July 21, 2021 (2021-07-21) | 0.88 |
| Josh travels the American Midwest tracing the history of legendary outlaw John Dillinger. ||||
| 9.2 | "The Lost Avenger" | July 28, 2021 (2021-07-28) | N/A |
| Josh joins Project Recover to search for a lost World War II bomber in the waters near California's Channel Islands. ||||
| 9.3 | "Ransom in the Sky" | August 4, 2021 (2021-08-04) | N/A |
| Josh searches the Pacific Northwest for clues to the mystery of D. B. Cooper. ||||
| 9.4 | "The Quest for El Dorado" | August 11, 2021 (2021-08-11) | 1.01 |
| Josh heads to Colombia to investigate the golden treasures and lost cities that inspired the legend of El Dorado. ||||
| 9.5 | "Uncovering the Golden City" | August 18, 2021 (2021-08-18) | N/A |
| Josh continues his trek in search of lost Tairona cities in the Colombian jungle. ||||
| 9.6 | "America's Titanic" | August 25, 2021 (2021-08-25) | N/A |
| Josh joins a salvage team off the North Carolina coast to investigate the sunken steamship Pulaski and its hoard of rare coins. ||||

### Season 10 (2022)

| No. | Title | Original release date | U.S. viewers (millions) |
| 10.1 | "Buried Secrets of Hitler" | May 25, 2022 (2022-05-25) | 1.152 |
| Josh joins a team in Poland to explore a World War II Nazi tunnel that may contain stolen artwork. ||||
| 10.2 | "Nazi Buried Secrets" | June 1, 2022 (2022-06-01) | N/A |
| Josh continues his quest to find Nazi plunder and artifacts hidden in Poland. ||||
| 10.3 | "Outlaw Fortune" | June 8, 2022 (2022-06-08) | N/A |
| Josh travels to Kansas and Oklahoma to search for the lost treasure of the infamous Dalton Gang. ||||
| 10.4 | "Lindbergh's Lost Rival" | June 15, 2022 (2022-06-15) | N/A |
| Josh visits Paris, then scours the wilderness of Maine and Newfoundland to find the wreckage of L'Oiseau Blanc (The White Bird), which disappeared in 1927 while competing for the Orteig Prize. ||||
| 10.5 | "Knights Templar Treasure Hunt" | June 22, 2022 (2022-06-22) | N/A |
| Josh searches England and Poland to unearth the secret world of the Knights Templar, the legendary warriors rumored to have amassed vast riches and treasures, including the coveted Holy Grail. ||||
| 10.6 | "The Bootlegger's Millions" | June 29, 2022 (2022-06-29) | N/A |
| Josh investigates the buried fortune of Prohibition era mobster Dutch Schultz; he joins divers in the murky waters near a New York mansion where Dutch once lived and explored underground passageways in the bunker that concealed the bootlegger's secret distillery. ||||
| 10.7 | "Escaping the Rock" | July 6, 2022 (2022-07-06) | N/A |
| Josh heads to Alcatraz in San Francisco to trace the route of three missing convicts from a famous 1962 escape attempt. Then, he searches the jungles of Brazil for evidence that the fugitives might have fled there. ||||
| 10.8 | "Egypt's Lost Tombs" | July 13, 2022 (2022-07-13) | N/A |
| Egypt's ministry of antiquities invites Josh to join an active dig at Saqqara, where he unearths mummies and treasure buried in 4000-year-old tombs. He examines the pyramid of Merenre and the mummy found within, which could be the oldest known remains of a pharaoh. ||||
| 10.9 | "Egypt's City of the Dead" | July 20, 2022 (2022-07-20) | N/A |
| Josh visits Luxor, then continues excavating at the Saqqara necropolis, where he uncovers another mummy. He explores the tomb of a high-ranking Old Kingdom official that hints at the societal collapse that led to the First Intermediate Period. ||||
| 10.10 | "Chasing Everglades Treasure" | August 3, 2022 (2022-08-03) | N/A |
| Josh learns the history of the "King of the Everglades," bank robber and rum-runner John Ashley while searching Florida's swamps for his possible hidden treasure. ||||
| 10.11 | "Mysteries of Moses" | August 10, 2022 (2022-08-10) | N/A |
| Josh investigates the history of Moses, exploring Egyptian tombs that may relate to his story, visiting Saint Catherine's Monastery at Mount Sinai, and climbing the holy mountain. ||||
| 10.12 | "Chasing the Mysteries of Moses" | August 17, 2022 (2022-08-17) | N/A |
| Josh continues to follow the legends of Moses, searching for evidence of Semitic languages at Serabit el-Khadim in the Sinai Peninsula. He tours an archaeological dig at Khirbet el-Mastarah in the West Bank, dives into the Sea of Galilee, and visits Nabi Musa which is believed by some to be the tomb of Moses. ||||
| 10.13 | "Donner Party Horror and Heroes" | August 24, 2022 (2022-08-24) | N/A |
| Josh ventures into the snowy Sierra Nevada mountains near Truckee, California with a group who are re-tracing the path of the ill-fated Donner Party and investigates the heroic story of their rescuers. ||||
| 10.14 | "Finding Italy's Lost Empire" | August 31, 2022 (2022-08-31) | N/A |
| In Italy, Josh learns about the ancient Etruscan civilization and its influence on Roman culture as he explores tombs at Tarquinia and Cerveteri. ||||

### Season 11 (2023)

| No. | Title | Original release date | U.S. viewers (millions) |
| 11.1 | "Sunken Pyramids of The Nile" | May 24, 2023 (2023-05-24) | 0.837 |
| Just before the outbreak of the 2023 Sudan conflict, Josh visits Sudan to explore the ancient pyramids of the Nubian Kingdom of Kush. At Nuri, he joins archaeologists in an underwater excavation of the sunken tomb of Nastasen. ||||
| 11.2 | "Mystery of the Flooded Pyramid" | May 31, 2023 (2023-05-31) | 1.106 |
| Josh concludes his investigation of Kush as he climbs the holy mountain Jebel Barkal to learn the religious and martial reasons behind the Kushite rule of Egypt. At Nastasen's tomb, divers recover apparent proof of the king's from his sarcophagus. ||||
| 11.3 | "Lost City of the Gospels" | June 7, 2023 (2023-06-07) | 0.949 |
| In the Golan Heights, Josh visits archaeological sites claimed to be Bethsaida, the lost settlement which, according to the gospels, was the hometown of three apostles and a place where Jesus performed miracles. ||||
| 11.4 | "Treasure of the Pirate King" | June 14, 2023 (2023-06-14) | 0.956 |
| In England, Josh searches the coast of The Lizard in Cornwall for the loot of Henry Avery, who reportedly escaped with the largest treasure in the history of piracy. ||||
| 11.5 | "Great Lakes' Vanished Warships" | June 21, 2023 (2023-06-21) | 1.070 |
| Josh dives into Lake Superior in search of the lost World War I French minesweepers Inkerman and Cerisoles, exploring the waters near the Upper Peninsula of Michigan and Michipicoten Island in Canada. ||||
| 11.6 | "Hunt for Spain's King Arthur" | June 28, 2023 (2023-06-28) | N/A |
| Josh travels to Asturias in Spain to investigate the truth behind the legend of the 8th century King Pelayo. He joins researchers to uncover ceremonial human burials deep in the La Garma cave complex. ||||
| 11.7 | "Looted Treasures of Cambodia" | July 5, 2023 (2023-07-05) | N/A |
| In Cambodia, Josh joins archaeologists at Koh Ker which briefly was the capital of the Khmer Empire. The team uncovers ancient temple carvings and searches for evidence that could help repatriate stolen statues lost through the illicit antiquities trade. ||||
| 11.8 | "Cambodia's Stolen Monuments" | July 12, 2023 (2023-07-12) | N/A |
| Josh continues his investigation into artifacts looted by former Khmer Rouge soldiers and traded by controversial antiquities dealer Douglas Latchford. He examines possible reasons for the historical fall of Koh Ker, dives for statue fragments in a temple moat, and helps to recover a piece of the pedestal of an iconic statue. ||||

### Season 12 (2023)

| No. | Title | Original release date | U.S. viewers (millions) |
| 12.1 | "Missing Heroes of WW2" | November 15, 2023 (2023-11-15) | N/A |
| Josh joins Project Recover at Chuuk Lagoon in Micronesia to search for the remains of missing-in-action servicemen and aircraft from Operation Hailstone. ||||
| 12.2 | "Finding the Lost Pilots of WW2" | November 22, 2023 (2023-11-22) | N/A |
| Josh concludes his stay at Chuuk Lagoon by visiting underwater sites identified by sonar survey, including a dive to a recently-discovered Douglas SBD Dauntless. ||||
| 12.3 | "Lost City of the White Jaguar" | November 29, 2023 (2023-11-29) | N/A |
| Josh joins an expedition to uncover the Maya lost city of Sac Balam located deep in the Lacandon Jungle of Chiapas, Mexico. ||||
| 12.4 | "Riches of Spain's Pirate King" | December 6, 2023 (2023-12-06) | N/A |
| Josh's hunt for the pirate king Amaro Pargo's hidden stolen treasure in the Canary Islands leads him beneath an active volcano. ||||
| 12.5 | "Chasing Bonnie and Clyde" | December 13, 2023 (2023-12-13) | N/A |
| Josh teams up with a former FBI agent looking for information in an East Texas cave used as a hideout that once belonged to the infamous bank robbers Bonnie and Clyde. ||||
| 12.6 | "Sunken Treasure of the Bahamas" | December 20, 2023 (2023-12-20) | N/A |
| At Little Bahama Bank, Josh joins a salvage team financed by businessman Carl Allen to recover artifacts from the 1656 wreck of the Spanish galleon Nuestra Señora de las Maravillas. ||||
| 12.7 | "Lost Tomb of the Viking King" | December 27, 2023 (2023-12-27) | N/A |
| Josh traverses Denmark, Sweden, and Poland exploring the legend of King Harald Bluetooth and the lost Viking settlement Jomsborg that may be his final resting place. ||||
| 12.8 | "Hunt for the Secret Seaplane" | January 3, 2024 (2024-01-03) | N/A |
| Josh joins a salvage team seeking the wreckage of the XP5Y, a prototype U.S. Navy seaplane that crashed off the coast of San Diego, California in 1953. ||||

### Season 13 (2024)

| No. | Title | Original release date | U.S. viewers (millions) |
| 13.1 | "Hunt for Alexander the Great" | June 19, 2024 (2024-06-19) | N/A |
| Josh Gates investigates the lost tomb of Alexander the Great, visiting the tomb of Phillip II in Vergina, Greece and an archaeological dig in the middle of modern Alexandria, Egypt. ||||
| 13.2 | "Alexander's Lost Tomb" | June 26, 2024 (2024-06-26) | N/A |
| Josh continues the search in Alexandria, then visits the British Museum in London and St Mark's Basilica in Venice to pursue one researcher's theory that Alexander's remains might actually lie in the place of Saint Mark's relics. ||||
| 13.3 | "Traitors' Treasure of 1776" | July 3, 2024 (2024-07-03) | N/A |
| In Pennsylvania, Josh joins researchers who are investigating the hideouts and possible lost fortune of the Doan Outlaws, a Loyalist family of spies and robbers who opposed the Patriots during the American Revolutionary War. ||||
| 13.4 | "Sharks vs. Nazis in Paradise" | July 10, 2024 (2024-07-10) | N/A |
| Josh joins shark expert Tristan Guttridge in the waters off Key West in an attempt to track sharks to the lost wreck of the Norlindo, a fuel tanker sunk by a German U-boat during Operation Drumbeat. This episode aired as part of Discovery's Shark Week 2024. ||||
| 13.5 | "Lost Bomber of World War II" | July 17, 2024 (2024-07-17) | N/A |
| Josh meets the restoration team of the Fleet Air Arm Museum searching for parts of Fairey Barracudas, a model of British bombers of which no intact examples exist. He excavates a former airfield in St Andrews, Scotland then finds wreckage near Alta in the far north of Norway, where Barracudas once attacked the Nazi battleship Tirpitz. ||||
| 13.6 | "Chasing Africa's Atlantis" | July 24, 2024 (2024-07-24) | N/A |
| Josh travels to Zanzibar and Mafia Island in Tanzania in search of Rhapta, a lost city of fortune at the bottom of the ocean that's described as the Atlantis of Africa. ||||
| 13.7 | "America's MIA Heroines" | July 31, 2024 (2024-07-31) | N/A |
| Josh teams up with Project Recovery again, searching for a Douglas C-47 Skytrain plane that was lost off the coast of Côte d'Ivoire in 1945 while transporting 18 members of the Women's Army Corps (WAC) . ||||

### Season 14 (2024)

| No. | Title | Original release date | U.S. viewers (millions) |
| 14.1 | "Hunt for Petra's Lost Tombs" | October 9, 2024 (2024-10-09) | N/A |
| To investigate the ancient Nabataeans, Josh joins a team in Petra, Jordan with permission to excavate in front of its iconic Treasury. Then he travels to the ruins of Sela where a cliffside inscription may explain how the fall of the Kingdom of Edom led to the Nabataeans' rise to power. ||||
| 14.2 | "Petra's Secrets Revealed" | October 16, 2024 (2024-10-16) | N/A |
| Josh concludes his visit to Petra, joining archaeologists as they open the tomb below the Treasury, finding skeletal remains and artifacts likely dating to the first century BCE. Then Josh visits scientists using computer imaging to reconstruct scrolls that reveal how the Nabataeans influenced later cultures. ||||
| 14.3 | "Search for Pan Am's Clipper" | October 23, 2024 (2024-10-23) | N/A |
| Josh joins a team off the coast of San Juan, Puerto Rico searching for the wreck of a Douglas DC-4 named Clipper Endeavor, which was involved in a tragic 1952 accident that changed over-water airline safety regulations. ||||
| 14.4 | "America's First Train Robbers" | November 6, 2024 (2024-11-06) | N/A |
| Josh meets up with treasure hunters in Indiana, on the search for the lost loot of the Reno Gang, a group of 19th century train robbers. ||||
| 14.5 | "Dive for America's Pirate Loot" | November 13, 2024 (2024-11-13) | N/A |
| Searching for the sunken treasure of "Black Sam" Bellamy, Josh joins a team at the shoals off Cape Cod, Massachusetts who are excavating the Whydah, the only authenticated wreck of a pirate ship from the Golden Age of Piracy ever discovered. ||||
| 14.6 | "'Twas the Search for Saint Nick" | November 20, 2024 (2024-11-20) | N/A |
| Josh goes in search of the bones of Saint Nicholas, the historical inspiration for Santa Claus. Josh visits the saint's place of origin in Myra in Turkey and locations of his possible remains: Bari and Venice in Italy and even in Chicago. ||||

### Extra Finds (2016–17)

Extra Finds episodes involve viewers interacting with Gates.
| No. | Title | Original release date | US viewers (millions) |
| 1 | "Extra Finds: Captain Morgan's Lost Gold" | March 30, 2016 (2016-03-30) | N/A |
| Additional coverage of Gates's attempt to find Captain Morgan's lost gold and sunken flagship. ||||
| 2 | "Extra Finds: Temple of Doom" | April 6, 2016 (2016-04-06) | N/A |
| Additional coverage of Gates's search for the Linga stones. ||||
| 3 | "Extra Finds: Secrets of the Nazca" | April 13, 2016 (2016-04-13) | N/A |
| Additional coverage of the Nazca Lines. ||||
| 4 | "Extra Finds: Mayan Apocalypse" | April 20, 2016 (2016-04-20) | N/A |
| Additional coverage of the season one Mayan Empire episode. ||||
| 5 | "Extra Finds: Amelia Earhart" | April 27, 2016 (2016-04-27) | N/A |
| 6 | "Extra Finds: Samurai Sword of Power" | May 4, 2016 (2016-05-04) | N/A |
| 7 | "Extra Finds: Code to Gold" | May 11, 2016 (2016-05-11) | N/A |
| Additional coverage of the Thomas Beale treasure. ||||
| 8 | "Extra Finds: City of Gold" | May 18, 2016 (2016-05-18) | N/A |
| Additional coverage of the City of Gold. ||||
| 9 | "Extra Finds: Curse of the Golden Bell" | May 25, 2016 (2016-05-25) | N/A |
| 10 | "Extra Finds: A Day in the Life" | June 29, 2016 (2016-06-29) | 0.62 |
| 11 | "Extra Finds: Secrets of Shangri-La" | July 6, 2016 (2016-07-06) | 0.59 |
| Additional coverage of Shangri-La. ||||
| 12 | "Extra Finds: Viking Sunstone" | July 13, 2016 (2016-07-13) | N/A |
| 13 | "Extra Finds: The Legend of Jesse James" | July 20, 2016 (2016-07-20) | 0.31 |
| Additional coverage of Jesse James' lost gold. ||||
| 14 | "Extra Finds: World's 8th Wonder" | July 27, 2016 (2016-07-27) | N/A |
| Additional coverage of the Amber Chamber. ||||
| 15 | "Extra Finds: The Quest for King Arthur" | March 29, 2017 (2017-03-29) | N/A |
| 16 | "Extra Finds: The Real Robin Hood" | April 5, 2017 (2017-04-05) | N/A |
| 17 | "Extra Finds: True Cross of Christ" | April 12, 2017 (2017-04-12) | N/A |
| 18 | "Extra Finds: Blackbeard's Hidden Gold" | April 19, 2017 (2017-04-19) | 0.60 |
| 19 | "Extra Finds: Finding Fenn's Fortune" | April 26, 2017 (2017-04-26) | 0.55 |
| 20 | "Extra Finds: Hunting Vampires" | May 3, 2017 (2017-05-03) | 0.58 |
| 21 | "Extra Finds: The Sultan's Heart" | May 10, 2017 (2017-05-10) | 0.53 |
| 22 | "Extra Finds: Nazi Secrets Revealed" | May 17, 2017 (2017-05-17) | 0.56 |
| 23 | "Extra Finds: Africa's Gold Hoard" | May 24, 2017 (2017-05-24) | 0.59 |
| 24 | "Extra Finds: Lost Mexican City" | July 19, 2017 (2017-07-19) | 0.63 |

### Hunt for the Yeti (2016)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Return of the Yeti" | October 5, 2016 (2016-10-05) | 0.773 |
| Josh Gates visits Kathmandu and hikes into the Himalayan mountains once again searching for the legendary Yeti. ||||
| 2 | "The Monster and the Mountain" | October 12, 2016 (2016-10-12) | N/A |
| Josh continues his exploration of the Himalayas and examines sacred artifacts that some Nepalese people believe come from the creature. ||||
| 3 | "Out of Thin Air" | October 19, 2016 (2016-10-19) | N/A |
| Josh explores the slopes of Mount Everest, then travels to the forests of Bhutan, where he once found an alleged Yeti footprint on his previous series Destination Truth. ||||
| 4 | "Unmasking the Myth" | October 26, 2016 (2016-10-26) | N/A |
| Josh wraps up his rafting trek in Bhutan, then returns home to the US where scientists analyze the evidence he collected. ||||

### Hunt for Extraterrestrials (2017)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Hunt for Extraterrestrials - Close Encounters" | October 4, 2017 (2017-10-04) | 0.76 |
| Josh Gates begins his search for extraterrestrial life with a once-in-a-lifetime visit to NASA and an alien-hunting expedition in Chile, where scientists and ufologists are making new discoveries. ||||
| 2 | "Hunt for Extraterrestrials - Ancient Visitors" | October 11, 2017 (2017-10-11) | 0.70 |
| Josh journeys to remote Easter Island, where ancient alien theorists believe extraterrestrials visited a millennia ago; the site of a recent meteorite strike in Zimbabwe could prove life on Earth began in outer space. ||||
| 3 | "Hunt for Extraterrestrials - UFOs Over England" | October 18, 2017 (2017-10-18) | 0.80 |
| The hunt for alien life continues in Zimbabwe, where Josh Gates interviews witnesses from Ariel School, one of the largest UFO sightings in modern history. Then he revisits the infamous case that has become known as Europe's Roswell in England. ||||
| 4 | "Hunt for Extraterrestrials - Roswell Revealed" | October 25, 2017 (2017-10-25) | 0.71 |
| Josh Gates's epic search for alien life comes to a close in the United States, where a legendary investigation team brings him to a hot case in Arkansas. Then, he visits with a researcher who may have new information on the mother of all UFOs. ||||

### Search for the Afterlife (2018)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Heaven and Earth" | October 7, 2018 (2018-10-07) | N/A |
| Seeking evidence of the afterlife, Josh Gates enters an ancient Roman gate to hell that still claims victims; in New York, a medical doctor shows how consciousness survives death; in California, a gifted medium shocks Josh with a message from beyond. ||||
| 2 | "Death and Beyond" | October 14, 2018 (2018-10-14) | N/A |
| Dr. Deepak Chopra advises Josh Gates to investigate the phenomenon of reincarnation in India; in Turkey, Josh Gates explores an Islamic path to paradise; he returns to face a man possessed by an evil spirit. ||||
| 3 | "Edge of Existence" | October 21, 2018 (2018-10-21) | N/A |
| From ancient tombs to the latest technology, humans have always been obsessed with cheating death; Josh Gates visits a tribe in Indonesia where people live with mummies; a Russian cryonics laboratory freezes humans for the future. ||||
| 4 | "Crossing Over" | October 28, 2018 (2018-10-28) | N/A |
| In the Amazon, Josh Gates meets a shaman who takes him on an ayahuasca trip to the brink of the afterlife; a team of investigators guide Josh Gates into one of the most haunted places on Earth. ||||

### Expedition: Back to the Future (2021)

In this four-part Discovery+ miniseries, Josh Gates is joined by Back to the Future star Christopher Lloyd as they journey across the U.S. in search of all surviving DMC DeLorean vehicles which were used in the film trilogy. Their mission is to sell a time machine at auction to benefit The Michael J. Fox Foundation.
| No. | Title | Original release date | US viewers (millions) |
| 1 | "Josh's Adventure of a Lifetime" | March 15, 2021 (2021-03-15) | N/A |
| Josh Gates and Christopher Lloyd set off to find all the DeLorean time machines used in the film series. ||||
| 2 | "DeLorean Debacle" | March 15, 2021 (2021-03-15) | N/A |
| Josh and Christopher Lloyd search out versions of the original time machine held by collectors. ||||
| 3 | "Almost Outta Time" | March 15, 2021 (2021-03-15) | N/A |
| Josh and Christopher Lloyd examine the DeLoreans at Universal Studios Florida in Orlando, Florida, but they are hit with a new problem. ||||
| 4 | "Great Josh!" | March 15, 2021 (2021-03-15) | N/A |
| As time runs out, the guys need to construct their own DeLorean time machine. ||||

### Aftershows

After the Hunt is a series of aftershows for Expedition Unknown.

#### Hunt for Extraterrestrials: After the Hunt (2017)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Hunt for Extraterrestrials - After the Hunt" | October 4, 2017 (2017-10-04) | 0.64 |
| 2 | "Hunt for Extraterrestrials - After the Hunt" | October 11, 2017 (2017-10-11) | 0.62 |
| 3 | "Hunt for Extraterrestrials - After the Hunt" | October 18, 2017 (2017-10-18) | 0.66 |
| 4 | "Hunt for Extraterrestrials - After the Hunt" | October 25, 2017 (2017-10-25) | 0.60 |

#### Expedition Unknown: After the Hunt — Season 6 (2020)

Season 6 of After the Hunt, aftershows for season 8 of Expedition Unknown
| No. | Title | Original release date | US viewers (millions) |
| 1 | "After the Hunt: D-Day Revealed" | February 5, 2020 (2020-02-05) | N/A |
| 2 | "After the Hunt: America's Mysteries Uncovered" | February 12, 2020 (2020-02-12) | N/A |
| 3 | "After the Hunt: Unknown Ancestors" | February 19, 2020 (2020-02-19) | N/A |
| 4 | "After the Hunt: Uncovering Humanity" | February 26, 2020 (2020-02-26) | N/A |
| 5 | "After the Hunt: Mysteries Beneath Our Feet" | March 4, 2020 (2020-03-04) | N/A |
| 6 | "After the Hunt: Diving Deeper, Looking Higher" | March 11, 2020 (2020-03-11) | N/A |
| 7 | "After the Hunt: Uncovering Land and Sea" | March 18, 2020 (2020-03-18) | N/A |

### Shark Week Specials

Expedition Unknown special episodes aired during Discovery's Shark Week in 2019 and 2021. These two specials are not classified as belonging to any season. Additionally, a shark-themed episode "Sharks vs. Nazis in Paradise" aired as part of Shark Week 2024, and is listed as the fourth episode of season 13.
| No. | Title | Original release date | US viewers (millions) |
| 1 | "Expedition Unknown: Megalodon" | July 28, 2019 (2019-07-28) | 1.845 |
| Josh travels across Mexico and South Africa to find fossilized traces of the Megalodon. Joined by shark experts, he goes diving to learn what it might have been like to encounter the ancient giant shark. ||||
| 2 | "Expedition Unknown: Shark Trek" | July 12, 2021 (2021-07-12) | 0.94 |
| Josh Gates and William Shatner go on a shark diving adventure in The Bahamas. ||||

## Josh Gates Tonight

Josh Gates Tonight is a spinoff series originally created to fill in the end of season 8 of Expedition Unknown in April 2020 due to the COVID-19 lockdown period. Initially considered part of Expedition Unknown, Josh Gates Tonight later was classified as a separate series. The fifth season premiered in May 2022.
This talk show features Josh Gates interviewing celebrity guests via videoconference, field segments, comedy bits, and cocktail recipes. At the start of the pandemic, the program was recorded in Gates' home, though production moved to the "Expedition Headquarters" studio starting with episode 14 of the first season.

### Season 1 (2020)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Josh Gates Tonight: Safer at Home" | April 1, 2020 (2020-04-01) | N/A |
| While remaining safe at home, Josh Gates interviews Damien Duffy, host of the Discovery series Legends of the Wild. Note: The first three episodes of the series are 10 minutes in duration. ||||
| 2 | "Josh Gates Tonight: Along For The Ride" | April 8, 2020 (2020-04-08) | N/A |
| Josh recaps his woolly mammoth expedition and tests his videoconferencing skills with the hosts of Legends of the Wild. ||||
| 3 | "Josh Gates Tonight: Digging In" | April 15, 2020 (2020-04-15) | N/A |
| Josh Gates shares updates and footage from his adventures hunting the mysterious mountain-dwelling yeti; TV personality Dave Turin (Gold Rush: Dave Turin's Lost Mine) joins in to discuss his season finale and winter challenges. ||||
| 4 | "Josh Gates Tonight: Earth Day" | April 22, 2020 (2020-04-22) | N/A |
| In this Earth Day special, Josh welcomes Joel McHale, talks environmentalism with various stars of Discovery networks shows, and discusses Team Trees with Mark Rober. Note: From this episode forward, the series expands to one hour, including commercials. ||||
| 5 | "Josh Gates Tonight: Exploration Home Office" | April 29, 2020 (2020-04-29) | N/A |
| Josh Gates is joined by TV personalities Jack Osbourne (Portals to Hell), Sig Hansen (Deadliest Catch), YouTube blacksmith The Hacksmith, and Richard Wiese (president of The Explorers Club). Josh tries to learn the art of axe throwing in his backyard. ||||
| 6 | "Josh Gates Tonight: Stayin' Inside" | May 6, 2020 (2020-05-06) | N/A |
| Josh Gates interviews Olympic gymnast Shawn Johnson East and discusses stolen art with The Monuments Men author Robert M. Edsel. Josh hosts a virtual summit of "explorer" TV hosts including Josh Bernstein, Jeff Corwin, and Don Wildman. ||||
| 7 | "Josh Gates Tonight: Indiana Josh" | May 13, 2020 (2020-05-13) | N/A |
| In this Indiana Jones special, Josh Gates interviews actors Karen Allen and John Rhys-Davies (Raiders of the Lost Ark), Adam Savage shows off his Indy props, and Reza Aslan discusses the history of Jesus. Josh learns how to crack a bullwhip in his backyard. ||||
| 8 | "Josh Gates Tonight: Unexplained and Unexplored" | May 20, 2020 (2020-05-20) | N/A |
| Josh Gates discusses the Bermuda Triangle and welcomes guests Bruce Campbell, Michael Emerson, Mike Baker (Black Files Declassified), and Gwen Grimes (Naked and Afraid XL). Josh has a very short expedition to the "Beverly Hills Bermuda Triangle" an L.A. intersection that's rumored to be cursed. ||||
| 9 | "Josh Gates Tonight: The Merry Adventures of Josh Gates" | May 27, 2020 (2020-05-27) | N/A |
| Josh explores British legends with Terry Gilliam (Monty Python), Cary Elwes, Jeremy Wade (River Monsters), and Oberon Zell-Ravenheart from the Grey School of Wizardry. Josh forges a sword with Hollywood blacksmith Tony Swatton. ||||
| 10 | "Josh Gates Tonight: GI Josh" | June 3, 2020 (2020-06-03) | N/A |
| Josh looks back at World War II history with Dennis Quaid, Project Recover, retired SEAL Team Six member Will Chesney, and Flula Borg. Mixologist Jeff "Beachbum" Berry explains the WWII origin of the suffering bastard cocktail. Josh acts as an attack dummy for military dog training. ||||
| 11 | "Josh Gates Tonight: Wild Wild Josh" | June 17, 2020 (2020-06-17) | N/A |
| Josh chats about the wild west with Louie Anderson, Lou Diamond Phillips, Stephen Root, and Marty Raney from Homestead Rescue. Josh tries to learn shooting and lasso tricks. ||||
| 12 | "Josh Gates Tonight: Show Me the Mummy" | June 24, 2020 (2020-06-24). | N/A |
| Josh talks ancient Egypt and interviews Steven Soderbergh, Lucy Lawless, Padma Lakshmi, Patricia Velásquez, and archaeologist Sarah Parcak. ||||
| 13 | "Josh Gates Tonight: Mother Russia" | July 1, 2020 (2020-07-01) | N/A |
| Josh Gates revisits his Siberian expeditions and talks to actors Scott Glenn, Jason Isaacs, and Danny Trejo, as well as TV hosts Phil Keoghan and Mike Rowe. Josh learns the art of ice sculpture and visits a vodka distillery. ||||
| 14 | "Josh Gates Tonight: Gold Digging Josh" | July 8, 2020 (2020-07-08) | N/A |
| Josh Gates virtually discusses secret codes and treasures with Jesse Eisenberg, Penn & Teller, Kyle MacLachlan, and former CIA agent Amaryllis Fox. Josh tries to learn lock picking. Note: Starting with this episode, production of the show moves from Josh Gates' house to the "Expedition HQ" studio. ||||
| 15 | "Josh Gates Tonight: Back From Outer Space" | July 15, 2020 (2020-07-15) | N/A |
| Josh pays tribute to his favorite science fiction with Anthony Daniels, Jonathan Frakes, Marina Sirtis, Lance Henriksen, and Keith David. Special effects makeup artist Jim Ojala transforms Josh into an alien. ||||
| 16 | "Josh Gates Tonight: Like, Totally Josh" | July 22, 2020 (2020-07-22) | N/A |
| Josh Gates celebrates 1980s pop culture with actors Lea Thompson (Back to the Future), Alex Winter (Bill and Ted's Excellent Adventure), and Sean Astin (The Goonies) and looks to pry clues to The Secret from illustrator John Jude Palencar. Josh asks his kid's karate instructor to teach him the crane kick from The Karate Kid. ||||
| 17 | "Josh Gates Tonight: Game, Set, Josh" | August 20, 2020 (2020-08-20) | N/A |
| It's game night as Josh interviews guests Neil deGrasse Tyson, John Smoltz, Gary Cole, and Ben Bailey from Cash Cab. Josh tries to run the course from Dodgeball Thunderdome, a show which aired on Discovery at the time. ||||
| 18 | "Josh Gates Tonight: Alive" | August 27, 2020 (2020-08-27) | N/A |
| Josh Gates discusses survival with David Arquette (You Cannot Kill David Arquette), Josh Lucas (Alive), and the hosts of the Discovery show 100 Days Wild. Josh goes survivalist shopping at a military surplus store. ||||
| 19 | "Josh Gates Tonight: No Fear of Heists" | September 2, 2020 (2020-09-02) | N/A |
| Josh Gates explores heists with Elliott Gould (Ocean's Eleven), Kevin Pollak (The Usual Suspects), Luis Guzmán, and hostage negotiator Christopher Voss. Josh learns getaway car driving from a Hollywood stunt driver. ||||
| 20 | "Josh Gates Tonight: Josh's Monster Mash" | September 9, 2020 (2020-09-09) | N/A |
| Josh Gates explores cinematic gods and monsters with the actors Orlando Jones, Sarah Wayne Callies, and Doug Jones. Josh tours the collection of movie memorabilia dealer Joe Maddalena. ||||
| 21 | "Josh Gates Tonight: A Spot of Josh" | September 16, 2020 (2020-09-16) | N/A |
| Josh Gates goes on a virtual Anglophile adventure interviewing John Cleese, Lucy Davis, Cat Deeley, and Ed Stafford. Josh visits the Will Rogers Polo Club. ||||
| 22 | "Josh Gates Tonight: Sherlock Josh" | September 23, 2020 (2020-09-23) | N/A |
| Josh Gates investigates life's mysteries with actor Matthew Modine, author Deepak Chopra, Chazz Palminteri, and Arthur Brand. Josh hires a private detective to tail his writer, comedian Tony Sam. ||||
| 23 | "Josh Gates Tonight: King Me!" | September 30, 2020 (2020-09-30) | N/A |
| Josh Gates celebrates the works of Stephen King with guests Anthony Michael Hall (The Dead Zone), Dee Wallace (Cujo), David Morse (The Green Mile), and Danny Lloyd (The Shining). Josh and his cameraman Evan B. Stone visit a socially-distanced drive-through Halloween haunted attraction. ||||

### Josh Gates Tonight: Shark Week (2020)

| No. | Title | Original release date | US viewers (millions) |
| SW1 | "Josh Gates Tonight: Shark Week" | August 9, 2020 (2020-08-09) | N/A |
| SW2 | "Josh Gates Tonight: Shark Week: Totally Jaw-Some" | August 10, 2020 (2020-08-10) | N/A |
| SW3 | "Josh Gates Tonight: Shark Week: Some-Fin Special" | August 11, 2020 (2020-08-11) | N/A |
| SW4 | "Josh Gates Tonight: Shark Week: The Gill Of It All" | August 12, 2020 (2020-08-12) | N/A |
| SW5 | "Josh Gates Tonight: Shark Week: Are We Having Fin Yet?" | August 13, 2020 (2020-08-13) | N/A |

### Season 2 (2020)

A second season of seven episodes premiered in November 2020.
| No. | Title | Original release date | US viewers (millions) |
| 1 | "The Gates Files" | November 11, 2020 (2020-11-11) | N/A |
| Josh discusses the paranormal with guests Matthew McConaughey and Dean Haglund. Josh joins Phil Torres & Jessica Chobot of Expedition X in Wisconsin for a behind-the-scenes look at the production of season 3. ||||
| 2 | "By Land, Sea, or Zoom" | November 18, 2020 (2020-11-18) | N/A |
| Josh discusses exploration with guests John Lithgow, explorer Ranulph Fiennes, and astronauts Bob Behnken and Doug Hurley. Josh gets a demonstration in urban mushing with a team of sled dogs. ||||
| 3 | "Happy Joshgiving" | November 25, 2020 (2020-11-25) | N/A |
| Josh discusses Thanksgiving with guests Guy Fieri, Cheryl Hines, and Alfonso Ribeiro. Josh visits a pumpkin patch and gets lost in a corn maze. ||||
| 4 | "Super Josh" | December 2, 2020 (2020-12-02) | N/A |
| Josh discusses superheroes with Katee Sackhoff, Joe Manganiello, and Famke Janssen. Josh tours the set of BattleBots. ||||
| 5 | "Josh Spaces Out" | December 9, 2020 (2020-12-09) | N/A |
| Josh talks space exploration with guests astronaut Charles Duke, Mayim Bialik, Tim Heidecker, and Keir Dullea. Josh experiences weightlessness on a reduced-gravity aircraft. ||||
| 6 | "Merry Josh-Mas" | December 16, 2020 (2020-12-16) | N/A |
| Josh celebrates Christmas films with guests Peter Billingsley, Judy Greer, and Reginald VelJohnson. Josh takes a festive tour of SkyPark at Santa's Village. ||||
| 7 | "Full Stream Ahead" | December 23, 2020 (2020-12-23) | N/A |
| Josh promotes Discovery+ with the stars of the streaming service's programs, including David Schwimmer who narrates the nature docuseries Mysterious Planet. ||||

### Season 3 (2021)

The third season premiered in April 2021.
| No. | Title | Original release date | US viewers (millions) |
| 1 | "Josh to the Future" | April 14, 2021 (2021-04-14) | N/A |
| Josh pays tribute to Back to the Future with actors Christopher Lloyd and Craig Robinson. ||||
| 2 | "Heeeeere's...Joshy!" | April 21, 2021 (2021-04-21) | N/A |
| Josh talks horror movies with guests Robert Englund, Seth Green and Joe Dante. ||||
| 3 | "The Great Joshdini" | April 28, 2021 (2021-04-28) | N/A |
| Josh explores magic with guests Dominic Monaghan, Billy Boyd, Michael Carbonaro, and Piff the Magic Dragon. ||||
| 4 | "Ghostly Gates" | May 5, 2021 (2021-05-05) | N/A |
| Josh discusses ghosts with guests Kevin Bacon, Haley Joel Osment, Jack Osbourne, and the cast of Ghost Brothers. ||||
| 5 | "Driving Mr. Gates" | May 12, 2021 (2021-05-12) | N/A |
| Josh talks cars with Larry the Cable Guy, Gabriel Iglesias, Kurt Busch, and the cast of Street Outlaws. ||||
| 6 | "It Takes A Villain" | May 19, 2021 (2021-05-19) | N/A |
| Josh pays tribute to pop culture villains with guests Giancarlo Esposito, Paul Reiser, and Michelle Gomez. Josh visits a stunt performer training school. ||||

### Josh Gates Tonight: Shark Week (2021)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Some-Fin New" | July 11, 2021 (2021-07-11) | N/A |
| Josh chats with Shark Week guest hosts Tiffany Haddish, Steve-O & Sean "Poopies" McInerney from Jackass, and Dickie Chivell. Josh swims with the sharks at Shark Reef at Mandalay Bay. ||||
| 2 | "Acting Chummy" | July 12, 2021 (2021-07-12) | N/A |
| Josh interviews William Shatner, Brad Paisley, and Robert Irwin from Crikey! It's the Irwins. ||||
| 3 | "Now You Sea Me" | July 13, 2021 (2021-07-13) | N/A |
| Josh welcomes J. B. Smoove, Kevin Smith, and shark experts Alison Towner and Riley Elliott. ||||
| 4 | "Diving In" | July 14, 2021 (2021-07-14) | N/A |
| Josh talks with "Dr. Pimple Popper" Sandra Lee, Rob Gronkowski, Shark Week filmmakers Lauren and Joe Romeiro, and the fans behind a community-driven Jaws remake. ||||
| 5 | "Not Feeling Salty" | July 15, 2021 (2021-07-15) | N/A |
| Josh interviews David Blaine, Kevin O'Leary from Shark Tank, and shark expert Tristan Guttridge. Josh dives with sharks at a shipwreck in The Bahamas. ||||

### Season 4 (2021)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Gates to the Unknown" | August 11, 2021 (2021-08-11) | N/A |
| Josh chats about lost cities with Tom Green, Rhys Darby, and BD Wong. ||||
| 2 | "How I Met Your Josh" | August 18, 2021 (2021-08-18) | 0.65 |
| Josh welcomes television sitcom stars Harry Shearer, Kelsey Grammer, Susan Olsen, Susie Essman, and Ted Lange. ||||
| 3 | "20,000 Gates Under The Sea" | August 25, 2021 (2021-08-25) | N/A |
| Josh recounts maritime mysteries with actor Tim Robbins, Billy Zane, William Fichtner, and the screenwriter of Jaws Carl Gottlieb. ||||
| 4 | "I Am (Urban) Legend" | September 1, 2021 (2021-09-01) | N/A |
| Josh chats about urban legends with JoBeth Williams, Kane Hodder, and the Expedition X team of Jessica Chobot and Phil Torres. Josh attends a séance. ||||
| 5 | "Josh Mobs Up" | September 8, 2021 (2021-09-08) | N/A |
| In this mobster-themed episode, Josh chats with actors Paul Sorvino, Michael Imperioli, Steve Schirripa, and Vincent D'Onofrio. Josh visits the Mob Museum in Las Vegas. ||||
| 6 | "Building A Better Gatestrap" | September 15, 2021 (2021-09-15) | N/A |
| Josh pays tribute to inventions and interviews Terrence Howard, Brent Spiner, Dan Harmon, and Aaron Krause the inventor of Scrub Daddy. Josh steps into a flight simulator cockpit. ||||

### Season 5 (2022)

| No. | Title | Original release date | US viewers (millions) |
| 1 | "Gates Goes Underground" | May 25, 2022 (2022-05-25) | N/A |
| Josh chats about subterranean locations and interviews guests Evangeline Lilly, Joe Pantoliano, and the Expedition X team. ||||
| 2 | "The Great Gates Robbery" | June 1, 2022 (2022-06-01) | N/A |
| Josh discusses art theft and interviews guests Parker Posey, Robert M. Edsel author of Monuments Men, and Dan Fogler. Josh and Jess Chobot try out an art heist themed escape room. ||||
| 3 | "The Outlaw Joshy Gates" | June 8, 2022 (2022-06-08) | N/A |
| Josh talks about legendary outlaws with actors Anson Mount, Troy Kotsur, and Tom Blyth. Josh tries his hand at mounted shooting. ||||
| 4 | "Gates on a Plane" | June 15, 2022 (2022-06-15) | N/A |
| In this aviation-themed episode, Josh chats with LeVar Burton, Parker Schnabel from Gold Rush, and Steven Weber. Josh takes a ride on an acrobatic plane. ||||
| 5 | "Behind Closed Gates" | June 22, 2022 (2022-06-22) | N/A |
| Josh delves into secret societies and interviews guests Austin Butler, Mark Proksch, and Love In The Jungle contestant Dishon Isaac. Josh meets up with mentalists at the Magic Castle. ||||
| 6 | "The Gate-teenth Amendment" | June 29, 2022 (2022-06-29) | N/A |
| Josh discusses the prohibition era and interviews guests Baz Luhrmann, Joe Mantegna, and Danica Patrick. Josh has a lesson in flair bartending. ||||

## Expedition X

Expedition X is an American paranormal reality series which premiered on Discovery Channel on February 12, 2020. A spinoff of Expedition Unknown, Expedition X exclusively explores paranormal topics. The program is hosted by Josh Gates, biologist Phil Torres, television personality/writer Jessica Chobot (season 1-7), and paranormal investigator Heather Amaro (season 8-). Gates presents the program from the Expedition HQ studio, though he does not usually accompany the team in the field, with the exceptions of the two-part episodes that opened seasons three, six and eight.
While Josh Gates was hosting Josh Gates Tonight in summer 2020, his regular camera crew were filming the second season of Expedition X after the initial COVID-19 lockdown cleared. The second season premiered on November 11, 2020. The eighth season premiered on August 14, 2024.

### Season 1 (2020)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Mothman Phenomenon" | February 12, 2020 (2020-02-12) | N/A |
| Phil and Jess travel to Point Pleasant, West Virginia in search of Mothman. ||||
| 2 | "Cambodia's Jungle Monster" | February 19, 2020 (2020-02-19) | N/A |
| Phil and Jess investigate the tek tek, a Cambodian Bigfoot-like creature. ||||
| 3 | "Terror on Doll Island" | February 26, 2020 (2020-02-26) | N/A |
| The team visits the infamous Island of the Dolls in Mexico City. ||||
| 4 | "Mystery In Mammoth Cave" | March 11, 2020 (2020-03-11) | N/A |
| The team searches for ghostly phenomena at Mammoth Cave National Park. ||||
| 5 | "Mt. Adams UFO Encounter" | March 11, 2020 (2020-03-11) | N/A |
| The team visits the site of the Kenneth Arnold UFO sighting. ||||
| 6 | "The Amazon's Cursed Ruins" | March 18, 2020 (2020-03-18) | N/A |
| The Expedition X team heads up the Rio Negro river in the Amazon to investigate a haunted outpost. ||||
| 7 | "Lake of the Dead" | March 25, 2020 (2020-03-25) | N/A |
| The team dives into Lake Lanier, the so-called "world's most haunted lake." ||||

### Season 2 (2020)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Curse of the Old West Outlaw" | November 11, 2020 (2020-11-11) | N/A |
| Phil and Jess investigate tales of curses and ghosts in Nevada City, Montana. ||||
| 2 | "Round-Up at Death Ranch" | November 18, 2020 (2020-11-18) | N/A |
| The team examines reports of cattle mutilations in the Pacific Northwest. ||||
| 3 | "Terror of the Bell Witch" | November 25, 2020 (2020-11-25) | N/A |
| Phil and Jess delve into the legend of the Bell Witch in Tennessee. ||||
| 4 | "Ghosts in the Swamp" | December 2, 2020 (2020-12-02) | N/A |
| The team investigates the mystery of the Light of Saratoga in the Big Thicket of Texas. ||||
| 5 | "Devil in the Forest" | December 9, 2020 (2020-12-09) | N/A |
| The X team heads to New Jersey to search for the Jersey Devil. ||||
| 6 | "America's Lake Monster" | December 16, 2020 (2020-12-16) | N/A |
| The team dives into Lake Champlain looking for the legendary Champ. ||||

### Season 3 (2021)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "An American Werewolf" | April 14, 2021 (2021-04-14) | N/A |
| Josh Gates joins Jess and Phil in the field as they search for the Beast of Bray Road. ||||
| 2 | "The Beast of Bray Road" | April 21, 2021 (2021-04-21) | N/A |
| Josh and the team continue their search for a legendary werewolf in rural Wisconsin. ||||
| 3 | "UFOs Over New Mexico" | April 28, 2021 (2021-04-28) | N/A |
| Phil and Jess head to Socorro, New Mexico the site of the Lonnie Zamora incident. ||||
| 4 | "Ghosts in the Canal" | May 5, 2021 (2021-05-05) | N/A |
| The team investigates legends of hauntings on the Chesapeake and Ohio Canal. ||||
| 5 | "Canyon of the Apes" | May 12, 2021 (2021-05-12) | N/A |
| Phil and Jess travel to Ape Canyon at Mount St. Helens in search of Bigfoot. ||||
| 6 | "Aliens of the Deep" | May 19, 2021 (2021-05-19) | N/A |
| The Expedition X team dive into the waters off Catalina Island to investigate unidentified objects as seen in the Pentagon UFO videos. ||||
| 7 | "Into the Alien Ocean" | May 26, 2021 (2021-05-26) | N/A |
| The team are joined by Luis Elizondo as they continue to search the waters off Catalina, where they witness unexplained lights. ||||

### Season 4 (2021)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Terror in Appalachia" | September 1, 2021 (2021-09-01) | N/A |
| Hikers are going missing amid reports of grotesque, human-like creatures prowling Appalachia's great smoky mountains. Phil and Jess ventures into the unforgiving wilderness to investigate the truth behind terrifying sightings of feral people. ||||
| 2 | "The Van Meter Monster" | September 8, 2021 (2021-09-08) | N/A |
| Horrified locals in southern Iowa are reporting sightings of a giant winged creature. The same mysterious beast that terrorized the town of Van Meter 100 years ago. Phil and Jess are on a mission to unearth clues to what's lurking in the shadows. ||||
| 3 | "Thailand's UFO Cult" | September 15, 2021 (2021-09-15) | N/A |
| Phil and Jess investigate the Kaokala UFO cult in Bangkok that claims to receive predictions of future natural disasters. ||||
| 4 | "Graveyard of the Great Lakes" | September 22, 2021 (2021-09-22) | N/A |
| The team heads to Whitefish Point on Lake Superior's Shipwreck Coast to investigate reported ghost lights. ||||
| 5 | "Ghost Fort of the Civil War" | September 29, 2021 (2021-09-29) | N/A |
| The team investigates reports of ghostly phenomena at the historic Fort Morgan in Alabama. ||||
| 6 | "Civil War Ghosts in the Bay" | October 6, 2021 (2021-10-06) | N/A |
| Jess and Phil continue their investigation at Fort Morgan joined by Amy Bruni and Adam Berry from Kindred Spirits. ||||

### Season 5 (2022)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Ring of Fire UFOs" | May 25, 2022 (2022-05-25) | N/A |
| Jess and Phil investigate unidentified lights seen above the Mexican volcano Popocatépetl. ||||
| 2 | "The Ozark Howler" | June 1, 2022 (2022-06-01) | N/A |
| The team searches for the Ozark Howler, a legendary beast reportedly sighted in Arkansas. ||||
| 3 | "Mexico's Haunted Cenotes" | June 8, 2022 (2022-06-08) | N/A |
| The team investigates paranormal activity in the cenotes of the Yucatán Peninsula. ||||
| 4 | "Avalanche Ghost Train" | June 15, 2022 (2022-06-15) | N/A |
| The team investigates a reported haunting at the site of the 1910 Wellington, Washington avalanche disaster that killed ninety-six people. ||||
| 5 | "Alaskan Lake Monster" | June 22, 2022 (2022-06-22) | N/A |
| The team search whitewater rapids and Alaska's Iliamna Lake for a legendary beast that's now the target of serious scientific inquiry. ||||
| 6 | "Monster of the Amazon" | June 29, 2022 (2022-06-29) | N/A |
| Deep in the Peruvian jungle, Phil tracks what could be an unknown species, while Jess hunts for evidence of a legendary creature known as Yacumama. ||||
| 7 | "Beast of Andros Island" | July 6, 2022 (2022-07-06) | N/A |
| Phil and Jess travel to Andros, Bahamas to dive into its blue holes to find the creatures that may have inspired the mythical sea monster known as the Lusca. ||||

### Season 6 (2023)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Ghosts of Eloise Asylum, Part 1" | August 2, 2023 (2023-08-02) | N/A |
| Josh Gates joins Jess and Phil in the field to hunt for evidence of ghosts at Eloise Psychiatric Hospital in Michigan. ||||
| 2 | "Ghosts of Eloise Asylum, Part 2" | August 9, 2023 (2023-08-09) | N/A |
| Josh, Jess, and Phil conclude their investigation at Eloise. ||||
| 3 | "Beast of the Bayou" | August 16, 2023 (2023-08-16) | N/A |
| Jess and Phil investigate stories of the Honey Island Swamp monster in the bayou near New Orleans. ||||
| 4 | "Witches of Mexico" | August 23, 2023 (2023-08-23) | N/A |
| Phil and Jess travel to Monterrey, Mexico to examine tales of brujas, practitioners of witchcraft. ||||
| 5 | "Ghost Town" | August 30, 2023 (2023-08-30) | N/A |
| Phil and Jess look for ghosts at Cerro Gordo, California the abandoned silver mining town owned by entrepreneur and social media personality Brent Underwood. ||||
| 6 | "Hellfire Club" | September 6, 2023 (2023-09-06) | N/A |
| Phil and Jess investigate sites in Dublin and at the Hellfire Caves in West Wycombe for paranormal activity said to be connected to the historical Hellfire Club. ||||
| 7 | "Skinwalker Valley" | September 13, 2023 (2023-09-13) | N/A |
| Phil and Jess visit the Uinta Basin in Utah, where witnesses have reported skin-walkers and UFOs. ||||
| 8 | "Valley of UFOs" | September 20, 2023 (2023-09-20) | N/A |
| The team continue their examination of Uinta Basin, focusing on the area's UFO sightings. ||||

### Season 7 (2024)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Transylvanian Terror" | February 7, 2024 (2024-02-07) | N/A |
| Jess and Phil explore the Hoia Baciu Forest in Romania, the site of Josh's most memorable paranormal experience which occurred during the production of a 2009 episode of Destination Truth ("Haunted Forest/Alux"). ||||
| 2 | "Killer Sasquatch" | February 14, 2024 (2024-02-14) | N/A |
| The team visits the forests of Alaska's Kenai Peninsula to investigate legends of an aggressive sasquatch. ||||
| 3 | "Death Island" | February 21, 2024 (2024-02-21) | N/A |
| The team arrives on Mackinac Island, Michigan after the summer tourist season to investigate reported paranormal activity at a hotel. ||||
| 4 | "Secrets of Mackinac" | February 28, 2024 (2024-02-28) | N/A |
| As the team continues to explore Mackinac, they are joined by paranormal investigators the Ghost Brothers (Dalen Spratt, Juwan Mass, and Marcus Harvey). ||||
| 5 | "Ghosts of WW2" | March 6, 2024 (2024-03-06) | N/A |
| Phil and Jess search the caves of Okinawa, Japan following reports of hauntings tied to World War 2 deaths. ||||
| 6 | "Beasts of Britain" | March 13, 2024 (2024-03-13) | N/A |
| Jess and Phil head to the Peak District of England after recent sightings of British big cats. ||||
| 7 | "Niagara Nightmare" | March 20, 2024 (2024-03-20) | N/A |
| The team looks into hauntings reported in the vicinity of Niagara Falls and learns about the history of deaths near the landmark. ||||
| 8 | "Nuclear UFOs" | March 27, 2024 (2024-03-27) | N/A |
| Jess and Phil explore abandoned areas of Fukushima, Japan to investigate UFO sightings that followed the 2011 nuclear accident. The team witnesses unidentified objects above Senganmori mountain in Iino, a small town with a reputation as an extraterrestrial hotspot. ||||

### Season 8 (2024)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "The Madhouse" | August 14, 2024 (2024-08-14) | N/A |
| Josh Gates joins Phil Torres and new co-host Heather Amaro in the field to investigate paranormal sightings at the Trans-Allegheny Lunatic Asylum in West Virginia. ||||
| 2 | "Trapped in the Asylum" | August 21, 2024 (2024-08-21) | N/A |
| Josh, Phil, and Heather continue their exploration of the reportedly haunted hospital. ||||
| 3 | "What Lurks in Loch Ness" | August 28, 2024 (2024-08-28) | N/A |
| In Scotland, Phil and Heather search for evidence of the Loch Ness Monster. Actor and cryptid enthusiast Rhys Darby makes an appearance to discuss the legendary beast. ||||
| 4 | "Haunted Savannah" | September 4, 2024 (2024-09-04) | N/A |
| Heather and Phil set up a ghost investigation at the Sorrel–Weed House, which is claimed to be one of the most haunted locations in Savannah, Georgia. ||||
| 5 | "City of Ghosts" | September 11, 2024 (2024-09-11) | N/A |
| Heather and Phil continue exploring areas in and near Savannah including The Savannah Theatre and Ebenezer Creek, the location of a Civil War tragedy. ||||
| 6 | "Beast of the Everglades" | September 18, 2024 (2024-09-18) | N/A |
| Heather and Phil head into the swamps of Florida to investigate the legendary skunk ape. ||||
| 7 | "Castle of Terror" | September 25, 2024 (2024-09-25) | N/A |
| Phil and Heather set up a paranormal investigation at Chillingham Castle, a location with a dark history of violence that is claimed to be one of the most haunted castles in England . ||||
| 8 | "The Dogman Conspiracy" | October 2, 2024 (2024-10-02) | N/A |
| Phil and Heather look into claims that the Michigan Dogman could be linked to a military conspiracy. ||||

### Season 9 (2025)

| No. | Title | Original release date | U.S. viewers (millions) |
| 1 | "Chateau of Horror" | January 22, 2025 (2025-01-22) | N/A |
| Josh Gates sends Phil and Heather to investigate paranormal claims of hostile ghosts linked to past murders at Chateau de Veauce, the most haunted chateau in France. ||||
| 2 | "Beast of Boggy Creek" | January 28, 2025 (2025-01-28) | N/A |
| Phil and Heather travel to Fouke, Arkansas to investigate reports of the Fouke monster which has been terrorising residents for over a century. ||||