Mike and Warren Fletcher make marine and archaeological discoveries.
Episode 1
The team investigates the cause of one of the world's greatest maritime mysteries.
Episode 2
A former U.S. Navy diver gives clues to the locations of missing subs from WWII.
Episode 3
The team tries to unlock the story of the Ghost Ship, despite wild seas and challenging dives.
Episode 4
The Laotian Royal Treasures sit on the bottom of the powerful and mysterious Mekong River.
Episode 5
The top-secret launching point for the atomic bombs, the remote volcanic island of Tinian.
Episode 6
The Fletchers dive to bone-chilling depths; they investigate a myth about towering waves.
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