WWII: Hell Under the Sea

20143 series
Available on
Nat Geo

Featuring stories about some of World War II's greatest and deadliest submarine patrols. Expert analysis, stock footage, and re-enactments offering a glimpse of what submarine warfare was like.

Fight for the Fjords: Episode Image
Episode 1Fight for the Fjords

When Hitler sends U-Boats to protect his troops, a German sub rushes towards the fjords leading to Narvik - the scene of two major naval battles. (4 of 6) 7+

Subversion: Episode Image
Episode 2Subversion

The career of a young U-Boat officer begins with promise when he is awarded command of his own submarine, but clashes over Nazi ideology cause tension. (2 of 6) 7+

The Hunted: Episode Image
Episode 3The Hunted

When a suffering German U-Boat crew make a desperate run for survival, Allied Hunter Killer groups close in - but the Germans board and attack the American ship. (6 of 6)

Edge of Survival: Episode Image
Episode 4Edge of Survival

When a bomb attack by a Japanese plane forces an American submarine into an uncontrolled dive and starts a chemical fire, impossible odds must be overcome. (1 of 6) 7+

Chaos in Command: Episode Image
Episode 5Chaos in Command

After their first war patrol ends in conflict, a new submarine Commander must build trust as they travel to target enemies in dangerous Japanese waters. (5 of 6) 7+

The Interceptor: Episode Image
Episode 6The Interceptor

In 1945, an American submarine Commander receives an order to hunt Japanese submarines tasked with secretly evacuating VIPs from the Philippines. (3 of 6) 7+

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