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E1 Enigma Capture
The life of German U-Boat commander Fritz Julius Lemp, who accidentally sinks the passenger liner SS Athenia, takes a series of dramatic turns when he is later forced to the surface after attacking an Allied convoy.
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E2 Commander Down
After a violent collision, an American submarine crew begins a desperate bid for survival.
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E3 Killer Strike
A German U-boat commander launches a shocking attack at the heart of the Royal Navy.
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E4 Torpedo Rampage
An American submarine commander risks everything in a fight from within an enemy convoy.
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E5 The Longest Journey
A German U-Boat Commander makes an unprecedented voyage to attack Allied shipping off the coast of Australia on Christmas morning.
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E6 Iwo Jima Pilot Rescue
American submarines risk everything to surface in enemy waters and rescue downed aviators.