Season 1
10 episodes · first aired 2018-05-28
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Nazi Secrets 2018-05-28 | The hidden secrets of the Nazis are revealed when the oceans covering them are drained using CGI animation. | 2018-05-28 | 6.3 |
 | 02 | Gulf of Mexico 2018-06-04 | Draining the Gulf of Mexico brings deadly secrets back to the surface. Stories of piracy, war, slavery and a dinosaur-killing asteroid are revealed. | 2018-06-04 | 7.3 |
 | 03 | Lost Worlds of the Mediterranean 2018-06-11 | The secrets of lost ancient civilizations come to light when the Mediterranean is drained. | 2018-06-11 | 6.5 |
 | 04 | Sunken Treasures 2018-06-18 | Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found. | 2018-06-18 | 6.0 |
 | 05 | Legends of Atlantis 2018-06-25 | Exciting evidence emerges of civilizations lost under the waves. But are these ancient cities the long sought-after Atlantis or accidents of geology? | 2018-06-25 | 6.3 |
 | 06 | Deadly Pacific 2018-07-02 | 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. | 2018-07-02 | 6.5 |
 | 07 | Egypt's Lost Wonders 2018-07-09 | The Nile was central to ancient Egypt. Draining its water reveals a lost wonder and the origins of the Egyptians’ obsession with the afterlife. | 2018-07-09 | 7.0 |
 | 08 | Mysteries of the China Seas 2018-07-16 | 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. | 2018-07-16 | 7.0 |
 | 09 | Ultimate Battleships 2018-07-23 | The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea. | 2018-07-23 | 6.5 |
 | 10 | Malaysia Airlines 370 2018-07-30 | Where is Malaysian Airlines flight MH370? CGI reconstruction reveals the challenges of locating an aircraft that goes missing in the deep ocean. | 2018-07-30 | 5.5 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.