The Tigershark The Silent Service : Season 2 Episode 16

Tigershark (Fictitious Submarine) For reasons that become obvious, the names of the submarine and its crew members have been changed for this episode of the "Silent Service". The story is one of personal heroism by a Chief Petty Officer who, when his submarine is badly damaged on the ocean floor, braves death by asphyxiation to get the engines running again.