Predators in Peril

Au fil de l'eau, les anguilles sacrées de Polynésie

Fifteen years ago, a handful of African Penguins, normally found only on remote islands off the Southern African coast, stumbled across on of the Cape's most beautiful and popular tourist beaches. They swam, they saw, they conquered. And today, Boulders beach is home to more than 4,000 of these delightful, resourceful and entertaining seabirds who live side by side with their human neighbours -well, most of the time! These knee-high invaders not only share the beach, they dodge traffic, scale fences, and take over gardens, the golf course and even the occasional bedroom! For the two feathered stars, Henry and Margot, it's a tale of romance, the challenges of parenthood, separation and a penguin's worst nightmare, oil.

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?

It is one of the most controversial issues of our day, jeopardizing the health and smearing the reputations of Olympians, professional sports players and even high school athletes. The government has declared them illegal without a prescription, athletes call them unfair, and some doctors say they are potentially deadly. What are the real dangers of these drugs? We've seen what's happening outside the body; now NGC reveals what's happening inside the body, in the Science of Steroids.

Tierisch müde - Das Rätsel Schlaf

5 Times Chico: The San Francisco River and His People

Wild rabbits share the sea cliffs on the island of Skomer, off the Pembrokeshire coast, with seabirds like puffins and seagulls. They come in many shades, owing to their intriguing history, and each spring the island of Skomer itself is transformed by wild flowers, creating one of Britain's most beautiful natural spectacles. The green and brown island turns blue and pink for a couple of spectacular weeks under a carpet of bluebells and red campion.

A devoted pair of little owls set up home in an old orchard in rural Herefordshire. From spring blossom to autumn apples, a year in the life of the parent birds, their baby owls and the old fruit trees.

Two otters, a mother and daughter, are inseparable as the cub faces the dangers of her first Scottish winter, and Mum works hard to ensure both survive. Never more than a few feet apart, cub and mum exhibit a very special relationship as the cub grows up, learning how to fish and fend for herself on the idyllic west coast of Scotland.

An in depth look at the undersea life of dolphins

These Birds Were Made For Walking Few things are more wondrous than the gift of flight, but some birds have chosen to give it up – the question is, why? Whether it is to save energy, tap into new food resources, or invest in other skills, they all have their reasons.

The enchanting true-to-life tale of polar bear cubs and their mother on a 400-mile journey from their birth den in Svalbard to the pack ice surrounding the North Pole.

They are giants—stretching more than 300 feet above the ground, with hidden gardens and mysterious predators thriving within their canopy. National Geographic reveals the unexplored environment of the California redwoods in an epic, year-long exploration. Obsessive redwood climber Steve Sillett of Humboldt State University explores their massive crowns, discovering new record-breaking trees, while escaping falling branches and crashing trees in the process. Down below, National Geographic Explorer-in-Residence Mike Fay charts the redwood range to size up the past and future of these primeval trees threatened in 21st century California.

Bali & Beyond

A quasi-documentary look at how certain things fit together. This film embraces an unhurried tempo.

Get ready to take a breath of fresh air! This documentary will plunge the viewer into the realms of foxes. Allow your viewer to follow the wanderings of a fox and its encounters throughout the 4 seasons in french forests.

David Attenborough narrates the charming and fascinating story of some real-life animal romantics. There are show-offs and singers, dancers and fighters, stories of undercover affairs and heartwarming devotion. These include a male polar bear that plays hard to get, a lemur whose odour bags him a mate and a lizard who is tender and faithful to the very end. It reveals that animals can be loving, complex, funny and inventive - it is all part of the mating game.

Every night around Australia, native possums scamper across city rooftops in an endless quest for food and shelter. Forced out of their bush habitats by encroaching development, these mischievous marsupials swarm into cities where their raucous noise and destructive appetites bring them few friends. They live in our roofs, pillage our fruit trees, plunder our flowers and pee on our paths. And when possums and people fight for real estate it’s war!

The untold story of South Africa's blackfoot Penguins.