Expedition Files season 3 episode 1

Air Date: 2025-11-05

Duration: 42 min

Genre: Action   Adventure   Documentary   Mystery

Vanished: Jimmy Hoffa, Holy Grail, Inventor Rudolf Diesel

What really happened to union boss Jimmy Hoffa? Could modern technology finally prove the existence of the Holy Grail? And did inventor Rudolf Diesel really die at sea, or did he stage his own disappearance?