Expedition Files - Season 4

1. Mysteries of American History

Aired: 4/1/2026

Josh Gates explores American history, including a shocking theory that John Wilkes Booth escaped justice -- only to meet a far stranger fate. Learn myth-busting truths behind Paul Revere's midnight ride and a U.S. Navy sub that vanished in the Cold War.

2. Deadly Forecast

Aired: 4/8/2026

Josh Gates explores three mysteries shaped by extreme weather, the disappearance of the Donner Party in Sierra Nevada blizzards, secrets of an Arctic missile base entombed in ice, and the Mary Celeste. a ghost ship adrift in the Atlantic.

3. Episode 3

Aired: 4/15/2026

4. Episode 4

Aired: 4/22/2026