Seasons & episodes
S1 · E1Nazi Secrets 2018-05-28 · 47 min
The hidden secrets of the Nazis are revealed when the oceans covering them are drained using CGI animation.
S1 · E2Gulf of Mexico 2018-06-04 · 47 min
Draining the Gulf of Mexico brings deadly secrets back to the surface. Stories of piracy, war, slavery and a dinosaur-killing asteroid are revealed.
S1 · E3Lost Worlds of the Mediterranean 2018-06-11 · 47 min
The secrets of lost ancient civilizations come to light when the Mediterranean is drained.
S1 · E4Sunken Treasures 2018-06-18 · 47 min
Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found.
S1 · E5Legends of Atlantis 2018-06-25 · 47 min
Exciting evidence emerges of civilizations lost under the waves. But are these ancient cities the long sought-after Atlantis or accidents of geology?
S1 · E6Deadly Pacific 2018-07-02 · 47 min
The Ring of Fire is an area in the Pacific Ocean where volcanoes, earthquakes and tsunamis form; the ocean is drained to reveal the geological forces behind natural disasters and to uncover threats along the coast of Seattle, Tokyo and New Zealand.
S1 · E7Egypt's Lost Wonders 2018-07-09 · 47 min
The Nile was central to ancient Egypt. Draining its water reveals a lost wonder and the origins of the Egyptians’ obsession with the afterlife.
S1 · E8Mysteries of the China Seas 2018-07-16 · 47 min
The China seas are the most fiercely contested and mysterious waters on the planet. We expose the remains of the biggest battleship ever put on the water.
S1 · E9Ultimate Battleships 2018-07-23 · 47 min
The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea.
S1 · E10Malaysia Airlines 370 2018-07-30 · 47 min
Where is Malaysian Airlines flight MH370? CGI reconstruction reveals the challenges of locating an aircraft that goes missing in the deep ocean.