Season 1

01 Nazi Secrets Episode 128th May 2018 The hidden secrets of the Nazis are revealed when the oceans covering them are drained using CGI animation. 02 Gulf of Mexico Episode 24th June 2018 Draining the Gulf of Mexico brings deadly secrets back to the surface. Stories of piracy, war, slavery and a dinosaur-killing asteroid are revealed. 03 Lost Worlds of the Mediterranean Episode 311th June 2018 The secrets of lost ancient civilizations come to light when the Mediterranean is drained. 04 Sunken Treasures Episode 418th June 2018 Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found. 05 Legends of Atlantis Episode 525th June 2018 Exciting evidence emerges of civilizations lost under the waves. But are these ancient cities the long sought-after Atlantis or accidents of geology? 06 Deadly Pacific Episode 62nd July 2018 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. 07 Egypt's Lost Wonders Episode 79th July 2018 The Nile was central to ancient Egypt. Draining its water reveals a lost wonder and the origins of the Egyptians’ obsession with the afterlife. 08 Mysteries of the China Seas Episode 816th July 2018 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. 09 Ultimate Battleships Episode 923rd July 2018 The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea. 10 Malaysia Airlines 370 Episode 1030th July 2018 Where is Malaysian Airlines flight MH370? CGI reconstruction reveals the challenges of locating an aircraft that goes missing in the deep ocean.