4 Musim
24 Episod
Hell Below - Season 4 Episode 4
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.
- Tahun: 2024
- Negara: United States of America, Canada
- Genre: Documentary
- Studio: National Geographic, Smithsonian Channel
- Kata kunci: submarine, world war ii, cold war
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