Gibbons: The Forgotten Apes In Peril

See the world's first MRI scan of a great white shark as Ultimate Shark reveals the extreme engineering and predatory abilities of one of nature's most near perfect predators. Hear firsthand accounts of people who survived harrowing encounters, including a surfer who was bitten on the arm and leg, towed by the surfboard ankle strap and miraculously escaped only with minor injuries. National Geographic demystifies the true motives and power behind their behavior.

Marine biologist Dr. Austin Gallagher searches for the holy grail of shark research -- the secret breeding grounds of tiger sharks.

The orangutan population is decreasing every year. Humans are believed to be responsible for the decline. However, on the other hand, humans are also responsible for the conservation and protection of orangutans.

By land, by air, and by sea, viewers can now experience the struggle that millions of creatures endure in the name of migration as wildlife photographers show just how deeply survival instincts have become ingrained into to the animals of planet Earth. From the monarch butterflies that swarm the highlands of Mexico to the birds who navigate by the stars and the millions of red crabs who make the perilous land journey across Christmas Island, this release offers a look at animal instinct in it's purest form.

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.

A teaching film for social studies, which was developed as a new educational subject in 1947. At an elementary school in Hokkaido, children have started a fly extermination campaign to improve school hygiene. In order to eliminate the causes of flies, the entire town is working to improve the sanitary environment. The short was filmed with the cooperation of Mizukaido Elementary School in Joso City and is the first film in the "Social Studies Teaching Film System" by Iwanami Film Productions.

Hamza Yassin’s true passion is for nature, and he regularly roams the outdoors to capture its beauty on film as a wildlife cameraman. In this special film for BBC One and iPlayer, he is on a quest to film his favourite birds of prey – and no corner of the UK is too remote for him to find them.

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.

Cat experts dive into the mind of the feline to reveal the true capabilities of the pouncing pet in this captivating and cuddly documentary.

In the first half of the 19th century, the French ornithologist Jean-Jacques Audubon travelled to America to depict birdlife along the Mississippi River. Audubon was also a gifted painter. His life’s work in the form of the classic book ‘Birds of America’ is an invaluable documentation of both extinct species and an entire world of imagination. During the same period, early industrialisation and the expulsion of indigenous peoples was in full swing. The gorgeous film traces Audubon’s path around the South today. The displaced people’s descendants welcome us and retell history, while the deserted vistas of heavy industry stretch across the horizon. The magnificent, broad images in Jacques Loeuille’s atmospheric, modern adventure reminds us at the same time how little - and yet how much - is left of the nature that Audubon travelled around in. His paintings of the colourful birdlife of the South still belong to the most beautiful things you can imagine.

In the heart of Borneo's rainforests, one of the oldest and most biodiverse ecosystems on Earth, lives the orangutan, arguably the largest tree dweller. The main story is about mother ape Sati and her one-and-a-half-year-old daughter Huyan on their journey through the jungle, while at the Sepilok Orangutan Rehabilitation Centre, orphaned and rescued young animals are given a chance at a new life in the wild. But their habitat is threatened by radical deforestation and palm oil plantations. This impressive documentary shows these endangered great apes at eye level for the first time. With the help of innovative drone technology an insight into the dizzying treetops of the jungle giants was, achieved where they mostly stay. It discovering the secret lives of these extraordinary animals with insightful footage and partly some scenes never before seen. Unforgettable images illustrate why protecting the rainforests is crucial for the orangutans and the future of our planet.

Darwin's great insight – that life has evolved over millions of years by natural selection – has been the cornerstone of all David Attenborough’s natural history series. In this documentary, he takes us on a deeply personal journey which reflects his own life and the way he came to understand Darwin’s theory.

Follow comedian Ellen DeGeneres as she fulfills her dream of protecting Fossey’s legacy by building the The Ellen DeGeneres Campus of the Dian Fossey Gorilla Fund in Rwanda.

Naturalists Charlie Russell and Maureen Enns film recently discovered grizzlies on Siberia's Kamchatka peninsula.

A newly discovered mega-hunt is happening off the coast of South Africa. In an epic annual spectacle in False Bay, a pod of cunning killer whales hunt 5,000 common dolphins.