Drain the Oceans

S2:E1 Secrets Of D-Day

A survey of the D-Day shipwrecks sheds light on the biggest amphibious invasion in history.

S2:E2 Secrets Of New York City

Submerged shipwrecks and subterranean secrets reveal the story of New York City’s rise.

S2:E3 Killer U-Boats

Draining the oceans sheds light on the world’s first stealth weapon — German U-Boats.

S2:E4 Buried Secrets Of The Gold Rush

Long-lost ships reveal the race to find gold in the California and Klondike gold rushes.

S2:E5 Secrets Of The Civil War

We drain the oceans to reveal the lost wrecks of the American Civil War.

S2:E6 Lost Nukes Of The Cold War

CGI allows us to drain the ocean to reveal evidence of secret nuclear confrontation.

S2:E7 Secrets Of The Spanish Armada

Draining the ocean around the Spanish Armada reveals a clash of warships.

S2:E8 Pacific War Megawrecks

A high-tech expedition searches for the iconic lost wrecks of the Battle of the Pacific.

S2:E9 Thai Cave Rescue

A new 3D survey of the Thai cave in Tham Luang reveals how 12 boys were rescued after being trapped.

S2:E10 London's Secret History

Drain the Oceans reveals the secrets to London’s success as a powerful city.

S2:E11 Secrets of Loch Ness

The mystery of Loch Ness: Drain the Oceans empties the lake to reveal the monster’s identify.

S2:E12 Hitler's Killer Warships

Drain the Oceans sheds new light on Hitler’s reign of terror and ultimate demise.

S2:E13 Lost Giants

Drain the Oceans reveals the biggest wrecks in the world.

S2:E14 Pacific Shockwave

Japan dominated the Pacific, crushing the Allies, but how did they do it?

S2:E15 Rise of the Roman Empire

The unexpected story of how Rome dominated the world for 500 years by conquering the sea.

S3:E1 America's Last Slave Ship

Draining the oceans reveals the horrors of the trans-Atlantic slave trade.

S3:E2 The Atomic Ghost Fleet

A high-tech survey reveals the dark secrets of U.S. nuclear tests at Bikini Atoll.

S3:E3 Viking Seas

After vanishing in the Baltic over 450 years ago, a formidable battleship reveals secrets.

S3:E4 Egypt's Sunken City

A legendary ancient Egyptian city finally gives up its secrets.

S3:E5 The Battle of Britain

Uncovered wrecks reveal how Britain defeated Adolf Hitler and the Nazis.

S3:E6 Pirate Ships Of The Caribbean

Long-lost shipwrecks reveal the true story of piracy on the Caribbean.

S3:E7 The American Revolution

Newly discovered wrecks and graphics reveal forgotten stories from the American Revolution.

S3:E8 Raiders of the Civil War

We drain the oceans to reveal the lost wrecks of the American Civil War.

S3:E9 The Last Wrecks Of WWII

New insights from the seabed reveal how the Allies won World War II.

S3:E10 Chicago

Chicago’s extraordinary past emerges from the waters of Lake Michigan.

S4:E1 The Wild West

What was real life like in the Wild West, and who was left out of the story?

S4:E2 The Battle For The Black Swan

A mystery worth half a billion dollars centers on a single unknown ship.

S4:E3 Venice's Lost Empire

How did Venice become a maritime superpower, and what caused her downfall?

S4:E4 Hollywood

Hollywood's surprising hidden history lies buried beneath the sea and sand.

S4:E5 The First Americans

What can an ancient skeleton reveal about the settling of the Americas?

S4:E6 Hurricane Apocalypse

What do centuries of hurricanes reveal about America’s past, and future?

S4:E7 The Great Barrier Reef

What secrets lie beneath the waters of the world’s largest coral reef?

S4:E8 Sea of Secrets

Three wrecks unlock secrets from the mysterious Black Sea.