The Abyss, Exploring the Unknown Sea

The hunt for a mythic animal once thought to have been extinct for 65 million years: the coelacanth. It can be found 120 metres beneath the ocean off...

Fascinating underwater documentary filmed with hand-held cameras by frogmen and mostly filmed in deep-water seas from within a special designed...

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...

Whether it's the biggest great white, the most photographed tiger shark, or the shark known for jumping 100 feet up out of the water, we're diving...

Described as being a film about determination, danger and the ocean’s greatest depths, James Cameron's "Deepsea Challenge 3D" tells the story...

Explore the mysterious giant rings of the Mediterranean, buried at a depth of 120m, with the world-famous Laurent Ballesta, world-renowned diver and...

The same submarine which successfully captured the world's first moving images of a giant squid in its natural habitat is used for exploring the deep...

Bonded by their love of freediving, a record-setting champion and a heroic safety diver try to make history with a remarkable feat, ready to risk it...

An expedition looks into whether Titanic's hull had a construction design flaw that caused her to break apart. Featuring advanced CGI technology,...

Deep sea: 1000m below the surface no light, immense pressure and icy temperatures. The deep sea encompasses more than 90% of the planets habitat. Yet...

Acid Horizon follows marine ecologist Dr. Erik Cordes on a harrowing deep-sea expedition to track down the "supercoral", a strain of the deep-water...

Jacques Cousteau's 1942 plunge into the Mediterranean sea