Episode 1
Secrets of D-Day
47m6.5 / 10
In the greatest amphibious invasion fleet ever assembled, 7,000 vessels and 250,000 men take the Nazis by surprise. By draining the ocean, we explain exactly how they did it.
Where to watch Drain the Oceans
TV series
Drain the Oceans
2018TV-PG6 seasons7.0 / 10
Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Drain the Oceans is available to stream on DirecTV On Demand, Disney+, Hulu, YouTube TV, Fubo, and Spectrum On Demand in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
Stream
Watch free
Synopsis
Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.
Season 2 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Secrets of New York City
47m6.0 / 10
In just 400 years New York has become a global powerhouse. By draining the ocean, revealing submerged shipwrecks and subterranean secrets, we explain how.
Episode credits
Guest stars James P. Delgado
Episode 3
Killer U-Boats
47m6.5 / 10
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.
Where to watch Drain the OceansEpisode 4
Buried Secrets of the Gold Rush
47m5.5 / 10
Winners took all in the race to get rich in the California and Klondike gold rushes; unearthing the ships involved reveals the risks taken to go west.
Episode credits
Guest stars James P. Delgado
Episode 5
Secrets of the Civil War
47m7.0 / 10
Throughout the American Civil War, technological advances fuelled an arms race on America’s seas and rivers. Science and graphics drain the oceans to reveal the ships that shaped America.
Where to watch Drain the OceansEpisode 6
Lost Nukes of The Cold War
47m6.0 / 10
When the world’s two greatest superpowers vie for supremacy, they spur extraordinary advances in military technology.
Where to watch Drain the OceansEpisode 7
Secrets of The Spanish Armada
47m6.5 / 10
Spain’s attempted conquest of England fails when its armada is defeated. Draining the ocean reveals how the English stole technology to build an empire.
Where to watch Drain the OceansEpisode 8
Pacific War Megawrecks
47m6.0 / 10
An expedition searches for the iconic wrecks of the Battle of the Pacific, including the ship that delivered the Hiroshima bomb, the USS Indianapolis.
Where to watch Drain the OceansEpisode 9
Thai Cave Rescue
47m5.0 / 10
Drain the Oceans conducts the first accurate 3D survey of the Thai cave, revealing insight into the risky mission to save 12 boys from the flooded cave.
Where to watch Drain the OceansEpisode 10
London's Secret History
47m8.0 / 10
London is one of the most powerful cities on Earth. Drain the Oceans reveals the story of the city’s meteoric rise.
Episode credits
Directed by Sam Miller
Episode 11
Secrets of Loch Ness
47m4.0 / 10
Combining over 100 years of data with military-grade scanning equipment, Drain the Oceans pulls the plug on the world’s most famous lake to reveal the monster within.
Where to watch Drain the OceansEpisode 12
Hitler's Killer Warships
47m6.0 / 10
The story of Hitler’s vision to conquer the world using his high-tech battleships, revealing the rise and fall of the Third Reich’s deadly fleet.
Where to watch Drain the OceansEpisode 13
Lost Giants
47m7.0 / 10
Over the past century, advances in technology have fueled a race to build gigantic ships. When things go wrong, they become awe-inspiring wrecks.
Where to watch Drain the OceansEpisode 14
Pacific Shockwave
47m6.0 / 10
In 1942, Japan came to dominate the Pacific region. The secret as to how they did it lies waiting to be discovered.
Where to watch Drain the OceansEpisode 15
Rise of The Roman Empire
47m7.0 / 10finale
The secrets of the survival of the Roman empire are unearthed from beneath the waves of the Mediterranean and the soil of the Italian peninsula.
Where to watch Drain the OceansEpisode information updated Jul 24, 2026
More about Drain the Oceans
Cast
Craig SechlerSelf - Narrator (voice)Runar LiaSelf - Norwegian Industrial Workers Museum
Fredrik SoreideSelf - Norwegian University of Science and Technology
Jann WittSelf - Historian, German Naval Association
David MearnsSelf - Shipwreck Hunter - Blue Water Recoveries
Andrzej SlabySelf - Hydrographer, LOTUS Petrobaltic S.A.
Stephen BurkeSelf - Co-Author 'Freedom of the Seas'
Adam OlejnikSelf - Polish Naval Academy, Co-Author 'Freedom of the Seas'
Production details
- Status
- Returning Series
- Series type
- Documentary
- Episodes
- 55
- Original language
- English
Networks & production
National GeographicUnited States
Mallinson Sadler ProductionsUnited Kingdom
Electric PicturesAustralia
Themes
explorationmarine
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