Playback is currently unavailable for S18 E1 · Hunt for World War II Hellships. Episode details remain available below.
Expedition Unknown
The adventures of Josh Gates as he investigates unsolved iconic stories across the globe.
- Cast:
- Josh Gates
- Language:
- English
- Country:
- United States of America
- Network:
- Travel Channel
Episode guide
Seasons
Season 18
Episodes
E01
Episode 1
Hunt for World War II Hellships
2026-06-24 · 42mJosh searches for lost Allied soldiers on the Hofuku Maru, a Japanese Hellship.
Current episode
E02
Episode 2
Finding World War II's Lost Prisoners
2026-07-01 · 42mA deep-water dive leads to the historic discovery of a lost WWII hell ship, where an estimated 1,000 soldiers made the ultimate sacrifice. Given rare access, Josh assists a U.S. Department of Defense mission, recovering potential remains of American POWs.
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E03
Episode 3
Death Jars of Laos
2026-07-08 · 42mJosh Gates treks into the remote jungles of Laos to investigate the mysterious Plain of Jars. Navigating landscapes still littered with unexploded ordnance, he uses advanced technology to uncover the secrets of this ancient, lost civilization.
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E04
Episode 4
Sunken City of Pirates
2026-07-15 · 42mA first-of-its-kind sonar survey reveals a submerged pirate lair located off the coast of Jamaica. Using groundbreaking photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates.
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E05
Episode 5
★ 6.5Secrets of Mexico's Underworld
2026-07-22 · 42mJosh joins archeologists as they bushwhack through thick jungles and rappel into vast caves in search of the lost Zoque culture. Deep underground, the team pushes through flooded sections and finds thousands of ritual offerings that may solve the mystery.
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E06
Episode 6
Inca Treasure Tunnels
2026-08-05 · 42mJosh helps discover and explore a labyrinth of lost tunnels; he dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru; he joins them as they push into the tunnels and find priceless ancient treasures.
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E07
Episode 7
Chasing Civil War Gold
2026-08-12 · 42mJosh hunts for millions in missing Confederate gold. First, he follows a new lead and explores a wagon train robbery site where gold and silver coins vanished. Then, an eyewitness account points to the location of Jefferson Davis's lost war chest.
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Josh Gates
Self - Host