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Season 17 – Expedition Unknown

Play trailer Poster for Season 17 – Expedition Unknown Jun 2026 Adventure Documentary History Mystery & Thriller Travel Play Trailer Watchlist
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Intrigued by legendary mysteries and driven by curiosity, Josh Gates is on a mission for answers. "Expedition Unknown" chronicles his global adventures as he investigates iconic unsolved events, lost cities, buried treasures and other puzzling stories. Armed with a degree in archaeology, a quick wit and a thirst for action, Gates investigates recent developments before embarking on a detailed exploration. Whether he's trekking through Fiji in search of Amelia Earhart's remains or diving the deep seas of Panama to locate Captain Morgan's pirate ship, Gates' roughshod expeditions lead him one step closer to the truth.
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Expedition Unknown — Season 17

Expedition Unknown — Season 17

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Cast & Crew

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Josh Gates

Host

Evan B. Stone

Self

Jessica Chobot

Self

Aidan Dodson

Self

Gary Drayton

Self

Chip Coffey

Self

Episodes

Episode 1 Aired Jun 24, 2026 Hunt for World War II Hellships Josh searches for more than 1,000 POWs lost in the Pacific Theater. He dives to find lost Allied soldiers on the Hofuku Maru, a notorious Japanese Hellship. Then, Josh receives unprecedented access to join a U.S. Department of Defense recovery mission. Details Episode 2 Aired Jul 1, 2026 Finding World War II's Lost Prisoners A 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. Details Episode 3 Aired Jul 8, 2026 Death Jars of Laos Josh enters the Laos jungle to locate a lost culture's burial jars; first, he detonates unexploded Vietnam War ordnance to clear a safe path; at the site, he uses 3D scanning and facial recognition tech to analyze the remains, providing new data to understand this mysterious civilization. Details Episode 4 Aired Jul 15, 2026 Sunken City of Pirates A survey reveals a submerged pirate lair located off the coast of Jamaica; using photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates. Details Episode 5 Aired Jul 22, 2026 Secrets of Mexico's Underworld Josh 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. Details Episode 6 Aired Jul 29, 2026 Shark Secrets Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded. Details Episode 7 Aired Aug 5, 2026 Inca Treasure Tunnels Josh 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. Details Episode 8 Aired Aug 12, 2026 Chasing Civil War Gold Josh hunts for missing Confederate gold, exploring a wagon train robbery site where stolen coins vanished; then, a fresh eyewitness lead points directly to Jefferson Davis's lost war chest. Details
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Expedition Unknown — Season 17

Expedition Unknown View more photos

Season Info

Executive Producer
Brad Kuhlman, Casey Brumels, Josh Gates, Daniel A. Schwartz
Network
Discovery Channel
Rating
TV-PG
Genre
Adventure, Documentary, History, Mystery & Thriller, Travel
Original Language
English
Release Date
Jun 24, 2026
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