Expedition Unknown
Expedition Unknown is a TV show on Channel 9. The program has been available since 2025. A total of 14 episodes have been broadcast, most recently in March 2026.
Last episode
Expedition Unknown
Josh chases the treasure of legendary Viking Harald "Bluetooth" Gormsson. The discovery of a mysterious gold artifact sends Josh on a journey through Scandinavia.
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Josh investigates one of the 20th century's biggest heists – looting of Cambodian statues worth hundreds of millions. Chasing new leads, Josh rappels into a crumbling pyramid.
Plunging hundreds of feet below ground, Josh explores Spain's treacherous La Garma cave system and finds a floor littered with human remains more than 1,000 years old.
Diving into Lake Superior, Josh has brand-new intel that may finally solve a 100-year-old mystery: the resting place of two WW1 minesweepers.
Josh finds treasure from the greatest score in pirate history. The most feared pirate of his time, Henry Avery stole a fortune worth more than $100 million today.
Josh travels to the Holy Land to find a lost city where Jesus performed many miracles and is also home to three apostles. Josh reveals an ancient inscription.
Josh scales a mountain to learn how the Kingdom of Kush conquered Egypt and braves the murky waters for one more dive to find the king's mummified remains.
Josh Gates travels to the Kingdom of Kush to dive the flooded pyramid tomb of a king. The murky water provides zero visibility, and the pyramid is at risk of collapse.
Season 2
Josh journeys to Mongolia's Forbidden Zone to find Genghis Khan's tomb.
Josh hunts for a two million dollar treasure hidden deep in the Rocky Mts.
Season 4
Josh travels to Shipwreck Coast in Australia for the missing Mahogany Ship.
Josh continues his journey through Egypt to uncover the secrets, and possibly the final resting place, of ancient history's most powerful women rulers: Nefertiti and Cleopatra.
Josh journeys through the land of the Nile to uncover the secrets of the most powerful, and most elusive, women in ancient Egypt: Hatshepsut, Nefertiti and Cleopatra.
Josh Gates attempts to uncover a treasure left behind by the Aquarian Foundation, an isolated, insidious cult led by the notorious leader known as Brother XII.