Expedition Unknown — Season 18

Jun 24, 2026 · 42m

Josh searches for lost Allied soldiers on the Hofuku Maru, a Japanese Hellship.

Jul 1, 2026 · 42m

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.

Jul 8, 2026 · 42m

Josh 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.

Jul 15, 2026 · 42m

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.

Jul 22, 2026 · 42m

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.

Aug 5, 2026 · 42m

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.

Aug 12, 2026 · 42m

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.

Aug 12, 2026 · 42m

Josh 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.