NOVA - Hitler's Lost Sub

Dive in dangerous waters with deep sea detectives as they attempt to retrieve clues that will reveal this decaying U-boats identity. See how the breaking of Nazi codes altered the outcome of the warand helped unravel the mystery behind this German U-boat. And finally, travel to Germany with the divers as they rewrite a part of World War II history, bring closure to families of the lost crew and discover how one mans life was spared.