Content from Mallinson Sadler Productions

What lies beneath the ocean? World War Two left a great number of ships and submarines hidden beneath the waves. Now, as the oceans drain, each vessel reveals its secrets through new data-based 3D reconstructions. From the Arizona in Pearl Harbour’s shallows, whose destruction brought America into the war, to Nazi super ship the Bismarck and its mysterious end three miles down. From the flaming merchant ships secretly torpedoed by U-boats off tourist beaches of the USA, to the covert inventions of the Allies' costly D-Day beachhead, and lastly to the troopship Leopoldville sunk with the needless deaths of 400 soldiers. Drain The Ocean exposes the truth.

Drain Alcatraz uses cutting edge visual effects to 'drain' the waters around the notorious island of Alcatraz. With the waters drained away the secrets of Alcatraz are revealed, including exactly why the island's infamous prison was so inescapable.

Explore the ruins of Port Royal, once a flourishing pirate city, known for extravagance, women and liquor. The city which went by the sobriquet "wickedest city on earth", lies in shambles deep below the waters of Jamaica's Kingston Harbor after a devastating tsunami struck it on June 7, 1692

From a long lost US base beneath the Arctic ice cap, to a sunken Soviet submarine, the Cold War's toxic legacy is both fascinating and terrifying.

25th April 1915 Australian Submarine AE2 enters the Sea of Marmara, Turkey while Anzacs storm the beachhead at Gallipoli. Now lying on the bottom of the sea a search team locates it and it's story is told.

From a steamboat in a cornfield to the true story behind Hurricane Katrina's floods, new discoveries reveal how the Mississippi river shaped America.

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.

Experts follow investigations to uncover new details about the most epic and infamous wrecks from history.