Season 2

01 Secrets of D-Day Episode 13rd June 2019 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. 02 Secrets of New York City Episode 210th June 2019 In just 400 years New York has become a global powerhouse. By draining the ocean, revealing submerged shipwrecks and subterranean secrets, we explain how. 03 Killer U-Boats Episode 317th June 2019 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. 04 Buried Secrets of the Gold Rush Episode 41st July 2019 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. 05 Secrets of the Civil War Episode 522nd July 2019 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. 06 Lost Nukes of The Cold War Episode 629th July 2019 When the world’s two greatest superpowers vie for supremacy, they spur extraordinary advances in military technology. 07 Secrets of The Spanish Armada Episode 75th August 2019 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. 08 Pacific War Megawrecks Episode 812th August 2019 An expedition searches for the iconic wrecks of the Battle of the Pacific, including the ship that delivered the Hiroshima bomb, the USS Indianapolis. 09 Thai Cave Rescue Episode 92nd September 2019 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. 10 London's Secret History Episode 109th September 2019 London is one of the most powerful cities on Earth. Drain the Oceans reveals the story of the city’s meteoric rise. 11 Secrets of Loch Ness Episode 1116th September 2019 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. 12 Hitler's Killer Warships Episode 1223rd September 2019 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. 13 Lost Giants Episode 1330th September 2019 Over the past century, advances in technology have fueled a race to build gigantic ships. When things go wrong, they become awe-inspiring wrecks. 14 Pacific Shockwave Episode 147th October 2019 In 1942, Japan came to dominate the Pacific region. The secret as to how they did it lies waiting to be discovered. 15 Rise of The Roman Empire Episode 1514th October 2019 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.