4 Season
24 Episode
Hell Below - Season 4 Episode 4 Edge of Survival
After an enemy attack forces an American submarine into a disastrous dive, the crew struggles to regain control while battling a deadly chemical fire that threatens their limited air supply.
- Year : 2024
- Country : United States of America, Canada
- Genre : Documentary
- Studio : National Geographic, Smithsonian Channel
- Keyword : submarine, world war ii, cold war
- Director :
- Cast :
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