Caribbean Pirate Treasure (2017)

S2E5 The Wreck of the Roanoke: A Civil War Mystery

Ashlan and Philippe Cousteau journey to Bermuda to unravel the enigma of the Roanoke, a gun-running ship from the Civil War era that fell into the hands of pirates. Despite over 150 years of searching, the ill-fated vessel and its elusive cargo remain undiscovered.