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
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