Legends of the Deep: Deep Sea Sharks

A dive inside a wild land where nature hides some of her greatest secrets: The Alps. Steep slopes, wind swept cutting edge rocks. An air desperately lacking of oxygen. A biting cold. How do living beings adapt to those extreme conditions?

Set in the vast expanse of South Africa's Mala Mala game reserve, a host of Africa's biggest and fiercest wildlife species compete for food, mates and territory against the backdrop of a harsh dry season.

A documentary that focuses on how animals born with unusual colours have a much harder struggle than normal. Follow white lions, a white baboon and a yellow crocodile.

On Botswana's Linyanti Plains, a band of brothers reigns amongst the top predators: three cheetahs - partners since birth and one of the most efficient hunting forces on the plains - until tragedy strikes. Achilles, the hunt leader of the brotherhood, is killed by a cobra bite, leaving his brothers Odin and Shiva to fend for themselves. With their coalition diminished they must adapt fast: learning to hunt as a twosome and defend their kills without the help of Achilles. Confounding their efforts is a host of predators: an injured leopard, a cunning hyena and a devious black-backed jackal. Making matters worse, a lone male cheetah begins to trespass on their land. Will these cheetah blood brothers survive the overwhelming odds stacked against them?

Migration is one of the great phenomena of the natural world. When it’s time to move some take to the skies or the oceans, but the migrants we know best are found in the awe-inspiring herds running across our planet.

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single file 70 miles into the darkest, driest and coldest continent on Earth. This amazing, true-life tale is touched with humour and alive with thrills. Breathtaking photography captures the transcendent beauty and staggering drama of devoted parent penguins who, in the fierce polar winter, take turns guarding their egg and trekking to the ocean in search of food. Predators hunt them, storms lash them. But the safety of their adorable chicks makes it all worthwhile. So follow the leader... to adventure!!

Only few big cats have been as intensively studied as lions. We thought we knew everything about them. Yet some parts of their lives kept hidden in the dark. Cameras follow two prides and their respective females by day and by night, revealing astonishing behavioral patterns of Africa's largest lions. Symbols of courage and power, lions have been intensively researched for many decades. While hardly a single facet of their lives has gone unnoticed, certain things have remained hidden. Thanks to thermal imaging cameras, this two-part series reveals the last secrets of Africa's largest wild cats. We follow two prides in Southern Kenya and their respective females by day and by night, discovering astonishing behavioral patterns. Lean times face the animals as the huge wildebeest herds, which, until now have supplied the young families with ample food, are migrating south to the Serengeti. We will watch the daily struggle for survival as these mothers risk everything in order to rear ...

Documentary series uncovering the secret lives of big cats, using the latest technology and scientific research to bring these animal superstars out of the shadows.

The Amazon is one of the wildest and least explored parts of the planet. Encompassing 6 countries and 2 million square miles of forest, river and floodplain, it has the highest diversity of life on the planet, but what lies below it is truly shocking. In its deep muddy rivers, clear streams and expansive floodplains a freak-show of fish life has exploded, with some of the strangest shapes and weirdest adaptations on Earth. Hiding in the vast rivers and streams is an electric grid, a bizarre community of fish with a highly sophisticated electric sixth sense. Using electricity, these "Super" fish can communicate wirelessly, control each other remotely and emit shocks that can stop a human heart. This cryptic world has mystified scientists throughout the ages. Now an intrepid scientist, Will Crampton ventures back into the dark jungles where the inspiration for our technology driven world first emerged, in an attempt to unravel their secrets and unlock the electric code.

Trek into the hidden battlefields of northern Botswana where lions and spotted hyenas clash in overlapping territories. With never-before-seen footage, much of it filmed at night, you'll uncover an intense and vicious blood feud that has been waged for millennia. Follow the Southern Clan, led by a powerful hyena matriarch whose firstborn female cub kills her sister at birth to assure her succession as leader of the clan. Lurk in the shadows as a lioness from the Central Pride gives birth to three cubs and then encounters a deadly Egyptian cobra. You'll be stunned by breathtaking chase scenes as the hyena matriarch is brutally killed by a male lion, throwing the clan into chaos. Discover nature's savage conflicts in this ancient rivalry.

Two journalists traverse the Grand Canyon by foot, hoping this 750-mile walk will help them better understand one of America's most revered landscapes and the threats poised to alter it forever.