National Geographic: Australia's Great Barrier Reef

A baby pufferfish travels through a wondrous microworld full of fantastical creatures as he searches for a home on the Great Barrier Reef.

Coral reefs are the nursery for all life in the oceans, a remarkable ecosystem that sustains us. Yet with carbon emissions warming the seas, a phenomenon called "coral bleaching" -- a sign of mass coral death -- has been accelerating around the world, and the public has no idea of the scale or implication of the catastrophe silently raging underwater.

Described as being a film about determination, danger and the ocean’s greatest depths, James Cameron's "Deepsea Challenge 3D" tells the story of Cameron’s journey to fulfill his boyhood dream of becoming an explorer. The movie offers a unique insight into Cameron's world as he makes that dream reality – and makes history – by becoming the first person to travel solo to the deepest point on the planet.

Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinematic rollercoaster ride for all ages, Deep Blue uses amazing footage to tell us the story of our oceans and the life they support.

An epic story of adventure, starring some of the most magnificent and courageous creatures alive, awaits you in EARTH. Disneynature brings you a remarkable story of three animal families on a journey across our planet – polar bears, elephants and humpback whales.

Marine conservationist and social media activist Ocean Ramsey fearlessly swims with sharks in this documentary about her risky mission to protect them.

David Attenborough takes viewers on a breathtaking journey showing there is nowhere more vital for our survival, more full of life, wonder, or surprise, than the ocean. Through spectacular sequences featuring coral reefs, kelp forests and the open ocean, Attenborough shares why a healthy ocean keeps the entire planet stable and flourishing.

A visual montage portrait of our contemporary world dominated by globalized technology and violence.

African Cats captures the real-life love, humor and determination of the majestic kings of the savanna. The story features Mara, an endearing lion cub who strives to grow up with her mother’s strength, spirit and wisdom; Sita, a fearless cheetah and single mother of five mischievous newborns; and Fang, a proud leader of the pride who must defend his family from a once banished lion.

This documentary starring climber Alex Honnold and famous biologist Bruce Means document their expedition to the South American sky islands in search of new species and discoveries. Follows elite climber Alex Honnold and a world-class climbing team led by National Geographic Explorer and climber Mark Synnott on a grueling mission deep in the Amazon jungle as they attempt a first-ascent climb up a 1000 foot sheer cliff.

Sea life in a whole new way. Deep Sea 3D, an underwater adventure from the filmmakers behind the successful IMAX® 3D film Into the Deep, transports audiences deep below the ocean surface. Through the magic of IMAX®; and IMAX 3D, moviegoers will swim with some of the planets most unique, dangerous and colorful creatures, and understand this inspiring underworld.

Echo is a youngster who can't quite decide if it's time to grow up and take on new responsibilities-or give in to her silly side and just have fun. Dolphin society is tricky, and the coral reef that Echo and his family call home depends on all of its inhabitants to keep it healthy. But Echo has a tough time resisting the many adventures the ocean has to offer.