Expedition Unknown Season 17 Episodes

Episode 1

Hunt for World War II Hellships

Wed, Jun 24, 202649 mins

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.

Episode 2

Finding World War II's Lost Prisoners

Wed, Jul 1, 202648 mins

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.

Episode 3

Death Jars of Laos

Wed, Jul 8, 202648 mins

Deep in the jungles of Laos, Josh must detonate unexploded ordnance from the Vietnam War before he can search for a lost culture's burial jars. Cutting-edge 3D scanning and facial recognition tech could finally shed light on this mysterious civilization.

Episode 4

Sunken City of Pirates

Wed, Jul 15, 2026

A 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.

Episode 6

Shark Secrets

Wed, Jul 29, 202645 mins