Hidden deep underwater is the untold story of how the Nazis waged a secret war across the world’s oceans.

➡ Subscribe: http://bit.ly/NatGeoSubscribe
➡ Get more Nat Geo Full Episodes:    • National Geographic Full Episodes  
➡ Get more Nat Geo Wild Full Episodes:    • Shark vs. Tuna (Full Episode) | Natio...  

And check out more National Geographic series and specials here:
➡ Disney Plus: https://on.natgeo.com/3q6on5p
➡ Hulu: https://www.hulu.com/welcome
➡ NGTV app: https://www.nationalgeographic.com/tv/
➡ ABC app: https://abc.com/

#FullEpisode #DrainTheOceans #NationalGeographic

Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
TikTok:   / natgeo  
Tenor: http://on.natgeo.com/31b3Koc

About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their worldclass scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

Nazi Secrets (Full Episode) | Drain the Oceans
   • Nazi Secrets (Full Episode) | Drain t...  

National Geographic
   / natgeo