National Geographic's video: Villains of the Underworld: Secrets of the Ocean Floor Full Episode Drain the Oceans

Pirates… Gangsters… Villains… and the worst of humanity. Swallowed up by the sea. Cutting edge technology will reveal the secrets of the sea floor and expose the shaky ground on which we all live. Enjoy a free trial of National Geographic right here: https://ngmdomsubs.nationalgeographic.com/servlet/OrdersGateway?cds_mag_code=NG9&cds_page_id= ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get more Nat Geo Full Episodes: https://youtube.com/playlist?list=PLivjPDlt6ApSiD2mk9Ngp-5dZ9CDDn72O ➡ Get more Nat Geo Wild Full Episodes: https://youtu.be/qAG2SkTPltw And check out more National Geographic series and specials here: ➡ Disney Plus: https://on.natgeo.com/3q6on5p ➡ Hulu: https://on.natgeo.com/3Qor0Ko ➡ NGTV app: https://www.nationalgeographic.com/tv/ ➡ ABC app: https://abc.com/ 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: http://www.tiktok.com/@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 world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Villains of the Underworld: Secrets of the Ocean Floor (Full Episode) | Drain the Oceans https://youtu.be/HvOf2ntOr3U National Geographic https://www.youtube.com/natgeo