About this season
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.
Episodes (10)
1. Nazi Secrets
6.3Aired 28 May 2018 • 47 min
The hidden secrets of the Nazis are revealed when the oceans covering them are drained using CGI animation.
2. Gulf of Mexico
7.3Aired 4 June 2018 • 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.
3. Lost Worlds of the Mediterranean
6.5Aired 11 June 2018 • 47 min
The secrets of lost ancient civilizations come to light when the Mediterranean is drained.
4. Sunken Treasures
6.0Aired 18 June 2018 • 47 min
Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found.
5. Legends of Atlantis
6.3Aired 25 June 2018 • 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?
6. Deadly Pacific
6.5Aired 2 July 2018 • 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.
7. Egypt's Lost Wonders
7.0Aired 9 July 2018 • 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.
8. Mysteries of the China Seas
7.0Aired 16 July 2018 • 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.
9. Ultimate Battleships
6.5Aired 23 July 2018 • 47 min
The hidden secrets of WWI's powerful weapons are revealed by draining the North Sea.
10. Malaysia Airlines 370
5.5Aired 30 July 2018 • 47 min
Where is Malaysian Airlines flight MH370? CGI reconstruction reveals the challenges of locating an aircraft that goes missing in the deep ocean.