National Geographic Ultimate Shark

Shark expert Neil Hammerschlag and a crew of researchers search for an elusive hammerhead shark.

Ocean Predators Immerse yourself deep into the ocean in search of the most dangerous predators in our seas. Unveil the mysteries of these fascinating and skilled hunters. Razor-sharp teeth and lightning-fast reactions rule in this unforgiving environment. Are you ready to discover the facts behind the myths and legends about sharks, barracudas and moray eels? Shot in 3D, this documentary introduces you to the Kings of the Sea in an unprecedented way..

A film to mark 100 years since the founding of the Twickenham & Thames Valley Beekeepers Association, a charity that promotes beekeeping in West London, Surrey and along the Mole Valley.

The courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female. This impression is reinforced during courtship when the male dances in front of the female, showing the light undersides of its wings and inflating its throat pouch.

A nature documentary about the life and habits of the Bengal tiger.

Sheds light on an alternative approach to farming called “regenerative agriculture” that could balance our climate, replenish our vast water supplies, and feed the world.

Soon after we meet Manyari, the queen of her pride, she does something both unusual and bold: She leaves the sanctuary of the clan with her young cubs and takes them on a dangerous odyssey. She makes a bid to escape because two young bloods are sniffing around, and if they take over the pride, they will kill her cubs

The life and the career of John Muir come to life through this inspiring and beautiful documentary set against the magnificent landscapes of the American West. The Scottish-born naturalist was one of the first nature preservationists in American history, inspiring others through his writing and his advocacy to keep the wilderness wild. Shot in high definition in the spectacular landscapes that shaped Muir - and were, in turn, shaped by his devotion.

A group of scientists are thinking outside the box for ways to reverse the effects of global warming. And who better to save the earth than National Geographic Channel's host of the World's Toughest Fixes, Sean Riley? He'll join these experts in the labs and in the field to see what wacky new technologies are being developed, like sending mirrors into space and reducing the greenhouse emissions chickens produce.

In 2009 a team of British cavers went on an expedition deep within the jungle of central Vietnam. To their amazement they discovered an enormous cave which they believe to be the biggest in the world. The team, the first humans ever to enter the cave, traveled 6 kilometers underground until their way was blocked by a gigantic rock face they dubbed 'The Great Wall of Vietnam'. Now they have returned, but this time with the right equipment to climb the wall and with a geologist and zoologist to discover if this is indeed the Biggest Cave in the World and what secrets lie deep within?