![Hell Below](https://image.tmdb.org/t/p/w342/w4RVF85mDu4CLeiGFjCEn5lpGg6.jpg)
4 Season
20 Episode
Hell Below - Season 4 Episode 2 Courageous Captains
During World War II, brave submarine captains fought in battles that would decide the fate of the world.
- Year: 2021
- Country: United States of America, Canada
- Genre: Documentary
- Studio: National Geographic, Smithsonian Channel
- Keyword: submarine, world war ii, cold war
- Director:
- Cast: