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OceanGate's Titan tourist submersible imploded in 2023 on a deep-sea dive to the Titanic. This documentary details how a bold vision ended in tragedy.

Adventurer, filmmaker, inventor, author, unlikely celebrity and conservationist: For over four decades, Jacques-Yves Cousteau and his explorations...

Greedy sailors capture a giant lizard off the coast of Ireland and sell it to a London circus. Then its mother shows up.

A commercial diver is stranded on the seabed with only five minutes of oxygen supply, but with no chance of rescue for more than 30 minutes. With...

The wealthy and impulsive Rollo Treadway decides to propose to his beautiful socialite neighbor, Betsy O'Brien. Although Betsy turns Rollo down, he...

A young scientist discovers a malevolent entity which sets her on a bloody descent into the jaws of insanity.

The true story of treasure hunter Mel Fisher, who spent much of his life--and his fortune--hunting for sunken Spanish treasure galleons off the coast...

The Mediterranean. Because people have been travelling there for thousands of years, it is believed to be without secrets. And yet, far below its...

A fortune hunter leads a search for diamonds guarded by undead sailors off the coast of Africa.

The deep waters of the Southern and Pacific Oceans still hold many mysteries. Two international teams of scientists set out to explore the icy depths...

Celebrates 30 years of televised specials by The National Geographic Society.

Jacques Cousteau's 1942 plunge into the Mediterranean sea

A boy casts aside everything in pursuit of his dream, a quest we all share: the quest to find a place he can call home, even if it's underwater. He...

Giant Pacific octopuses are mystical creatures. A film team managed to gain insight into the mysterious life of these relatives of snails and...

There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known...

A team of international scientists make ground-breaking discoveries in the Black Sea - a treasure trove of ancient shipwrecks that date back 2500...

Underwater wildlife series. Kate Humble sets sail on a 2000-mile adventure across the Pacific with a team of top natural history filmmakers and deep...