TV series
The adventures of Josh Gates as he investigates unsolved iconic stories across the globe.
Streaming, rental and purchase options
Checked Sep 3, 2026
Expedition Unknown is available to stream on DirecTV On Demand, Discovery+, Discovery+ (Via Amazon Prime), Disney+, HBO (Via Hulu), HBO Max, HBO Max (Via Amazon Prime), Hulu, Philo, Spectrum On Demand, and YouTube TV in United States. You can also buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
The adventures of Josh Gates as he investigates unsolved iconic stories across the globe.
Choose an episode, then use the watch options above for the show.
Episode 1
Josh Gates sets off for gold rush country to search for the lost fortune of a notorious Montana sheriff. During his investigation, Josh explores hidden cave systems and blows open a mine that's been sealed for over a century.
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Episode 2
Josh 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.
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Episode 3
Josh travels to Greece to explore Europe's first superpower and how it disappeared on the Mediterranean island of Crete.
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Episode 4
Josh Gates joins leading archeologists as they investigate America's first missing-persons case, The Lost Colony of Roanoke. Following newly discovered clues, he'll reach new heights as he digs for answers to this over 400-year-old mystery.
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Episode 5
One of the most iconic creatures of the Ice Age, the Woolly Mammoth, has gone extinct and Josh and a team search for enough DNA to clone a woolly mammoth.
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Episode 6
Josh retrieves bone samples from the massive Batagay crater and gets DNA results to find out if the woolly mammoth will walk the earth again.
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Episode 7
Josh Gates sets off on an expedition to crack the mystery behind the perpetrator of the only unsolved plane hijacking in U.S. history.
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Episode 8
Josh Gates sets off deep into the Australian Outback, following the footsteps of legendary explorer Harold Lasseter, who claims to have found a vast field of gold.
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Episode 9
Josh Gates ventures to Australia's island state of Tasmania to investigate sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger.
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Episode 10
Josh Gates retraces the footsteps of the legendary 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 to the island hideout of the notorious buccaneer.
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Episode 11
Josh Gates journeys to the wilds of Namibia to embark on a treacherously deep dive in Lake Otjikoto for a long lost World War I treasure.
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Episode 12
Josh Gates follows in the footsteps of Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.
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Episode 13
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.
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Episode 14
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 Gates to never-explored underground lakes and undersea relics of World War II.
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Episode 15
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 the capital of Rome to the southern city of Cosenza, where the mayor is spearheading an effort to find the tomb.
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Episode 16
Gates travels to India in search of Dwarka, a mythical kingdom swallowed by the ocean. To find evidence that the golden city is real, Gates dives into the Arabian Sea and visits a dig site.
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Episode 17
Gates travels down to the coast of Florida and to Cuba in search of a sunken treasure from a fleet of Spanish ships that were sunk in 1715; the hunt takes him deep into the Atlantic and the National Archives of Cuba.
Where to watch Expedition UnknownEpisode information updated Sep 20, 2026
Josh GatesSelf - Host
Orson MochizukiHonjo Shigenaga
Parker SchnabelHimself
Travel ChannelUnited States
Ping Pong ProductionsUnited StatesMore shows like Expedition Unknown.
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