6 Season
55 Episode
Drain the Oceans - Season 2 Episode 3 Killer U-Boats
Draining the oceans reveals the story of the U-Boats as they took on the Royal Navy, sinking 12 million tons of ships and nearly winning the war.
- Year: 2023
- Country: Australia, United Kingdom, United States of America
- Genre: Documentary
- Studio: National Geographic
- Keyword: exploration, marine
- Director:
- Cast: Craig Sechler