Drain the Oceans: Deep Dive

20192 series
Available on
Nat Geo

Explore a never-before-seen world hidden under miles of water. Join expeditions to recover long-lost vessels, check out ancient sites and follow scientists probing the deepest corners of the seabed.

Stormy Seas: Episode Image
Episode 4Stormy Seas

Experts drain the ocean to prove how Mother Nature sunk a huge haul of Spanish treasure as well as the mightiest invasion force of ancient times. RATING: AA

Sabotage On The High Seas: Episode Image
Episode 5Sabotage On The High Seas

Special underwater technology reveals how silent and unseen tactics have sent countless ships to the seafloor. RATING: AA

America's Sunken Shores: Episode Image
Episode 6America's Sunken Shores

Check out the secrets of America's sea floor, including the deadly forces surrounding Alcatraz and the truth about the first shot fired at Pearl Harbor. RATING: AA

Undersea Empires: Episode Image
Episode 8Undersea Empires

Experts find a seafloor awash with superpowers' secrets, including the Egyptian Pharaoh who built 15 unused forts and Britain and Germany's deadly arms race. RATING: AA

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