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

Discover the stories beneath the surface of the water in this stunning nature documentary series, which explores each of the Earth's five oceans.

Oceanographer Jacques-Yves Cousteau and the Calypso set sail to research far-off cultures and species of aquatic fauna and flora in another of the explorer's nature series, mainly in the Pacific Ocean and in the West Indies.

A four-part documentary series on ocean life around the world.

Traveling aboard the OceanXplorer, OceanX's state-of-the-art scientific research and exploration vessel, to investigate the farthest frontiers of the world's oceans, 80% of which are entirely unknown. Armed with advanced technology, a hand-picked team of intrepid explorers and scientists, National Geographic Explorers and other ocean experts embark on a global odyssey to solve some of the ocean's greatest mysteries through the lives of its animals and their ecosystems.

Go deep beneath the waves – on a spy mission to the depths of the ocean. Amazing hidden cameras give incredible perspectives on the ingenious creatures that call it home.

Four teams of shark experts and enthusiasts travel the globe trying to find the most elusive shark species in this fin-tastic reality competition.