Release
Aired July 1, 2026
42-minute runtime.
Expedition Unknown · Season 18
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.
Release
42-minute runtime.
Episode type
Ratings and spoiler-safe community activity will attach to this episode as later milestones land.