Combining exploration undersea and underground with innovative visualisations, Drain The Oceans reveals hidden evidence of amazing mysteries. By embracing a gripping new style, hear stories through the firsthand testimony of explorers and archaeologists, and uncover their discoveries of the secrets buried underwater and deep in the earth. Brand new season of Drain The Oceans, starts Monday 4th October at 9pm on National Geographic UK. | National Geographic UK

The hidden secrets of WWI's most powerful weapons are revealed by draining the North Sea. Drain The Oceans | Ultimate Battleships Continues Tuesday 8.30pm AEST on National Geographic Watch more - https://www.nationalgeographic.com.au/tv/drain-the-oceans/ | National Geographic Australia

One of the world’s greatest rescues explained this Monday on Drain The Oceans. Return to the narrow caves where 12 young Thai boys and their football coach were trapped, to u | National Geographic UK