Josh Gates and the Expedition X team review ghostly evidence and never-before-aired footage from the jungles of Brazil. Then Josh and his crew delve into theories of what causes so many mysterious occurrences in the Bermuda Triangle.

Josh Gates and the Expedition X team present new evidence of extraterrestrials from their investigation in Mount Adams, Washington. Then, Josh and his crew dive deeper into the hunt for the Buzzard's hidden pirate treasure.

Josh Gates digs into the night's Expedition Unknown and Expedition X, including never-before-seen footage from the X team's trip into Mammoth Caves and in-depth interviews with guest investigators about Josh's search for Boudica's lost treasure.

Josh Gates and the Expedition X team are joined by Ghost Nation's Jason Hawes to delve into strange occurrences on The Island of the Dolls. Josh continues his look at the first humans with a hands-on demonstration of tool making

Josh Gates and the Expedition X team gather to discuss their Cambodian adventure, and Josh goes in depth on his African trip to investigate the origins of humanity.

Josh Gates and Expedition X Investigators Jessica Chobot and Phil Torres dig into unseen footage captured in their investigations into disappearance of Northwest Flight 2501 and the Mothman.

At EXU Headquarters, Josh Gates is joined by historian Gary Sterne and military veteran Captain Dale Dye to analyze unseen footage, unravel new insights, and dig into more secrets of D-Day.