

Sharks. Nazis. Shipwrecks. This is NOT your grandpa's history documentary.
In this episode, Josh Gates explores the remains of an American ship sunk by a Nazi U-boat during WWII. The quest takes a thrilling turn as he teams up with shark expert Tristan Guttridge, who introduces a groundbreaking approach: using sharks as underwater spies to uncover the wreck. This innovative strategy promises to shed new light on the shipwreck and the events surrounding its demise decades ago.
Practical Effects
Actual sharks equipped as living underwater surveillance tech.
Direction
Seamless weaving of WWII history with cutting-edge marine biology.
Trivia, insights & behind the scenes
Shark-borne camera tech is emerging as cheaper and less invasive than traditional ROVs for delicate wreck sites.
Josh Gates has a genuine fear of sharks—his participation required significant coaxing from the production team.
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