Tierisch müde - Das Rätsel Schlaf

Embark on a delightful journey into the world of dogs in this documentary that reveals scientific and emotional insights about our lovable BFFs.

Veteran naturalist Sir David Attenborough tells the story of a remarkable group of gorillas, from his first encounter in the '70s to the present day.

Thirty-four days before she's sent to prison, notorious Silicon Valley founder Elizabeth Holmes invites a skeptical film crew to document her every move. What begins as an intimate portrait of an enigmatic felon becomes a mind-bending three-year journey into the abyss.

Some of the world's most majestic birds display delightfully captivating mating rituals, from flashy dancing to flaunting their colorful feathers.

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.

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.

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.

A film crew follows two leopard cubs as they make the fascinating journey from infancy into adulthood in this up-close-and-personal nature documentary.

Born to Be Wild observes various orphaned jungle animals and their day-to-day behavioural interactions with the individuals who rescue them and raise them to adulthood. The film unfurls in two separate geographic spheres. Half of it takes place in the rain forests of Borneo, where celebrated primatologist Dr. Birute Galdikas assists baby orangutans; the other half takes place on the arid savannahs of Kenya, where zoologist Dame Daphne Sheldrick works with baby elephant calves.

A nature documentary centered on a family of chimps living in the Ivory Coast and Ugandan rain forests. Through Oscar, a little chimpanzee, we discover learning about life in the heart of the African tropical forest and follow his first steps in this world with humor, emotion and anguish. Following a tragedy, he finds himself separated from his mother and left alone to face the hostility of the jungle. Until he is picked up by an older chimpanzee, who will take him under her protection.

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 remote and forgotten wilderness of Lake Natron, in northern Tanzania, one of nature's last great mysteries unfolds: the birth, life and death of a million crimson-winged flamingos.

A detailing of the rise to prominence and global sporting superstardom of six supremely talented young Manchester United football players (David Beckham, Nicky Butt, Ryan Giggs, Paul Scholes, Phil and Gary Neville). The film covers the period 1992-1999, culminating in Manchester United's European Cup triumph.

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.

Director Michael Apted revisits the same group of British-born adults after a 7 year wait. The subjects are interviewed as to the changes that have occurred in their lives during the last seven years.

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record tells us about their lives and disappearance.

A coming of age story following a young meerkat pup, Kolo, growing up in the Kalahari desert; and an inspiring look at how one family's connection to each other and their surroundings is a model of resilience and fortitude for us all. Shot using ground-breaking techniques, this dramatised documentary is a one-of-a-kind presentation from The Weinstein Company and the BBC, featuring narration by Paul Newman.

In the mountains of Sichuan, China, a researcher forms a bond with Qian Qian, a panda who is about to experience nature for the first time.

Years spent recording footage of creatures from every corner of the globe is bound to produce a bit of drama. Here's a behind-the-scenes look.

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.

Coral reefs are believed by many to have the highest biodiversity of any ecosystem on the planet. A lot of the life found here can seem very alien at first, they occupy less than 1 percent of the ocean floor but yet are home to more than 25 percent of all marine life. Warm water reefs typically come to mind when thinking of the Pacific Ocean and the Caribbean Sea, these reefs are very well known but they don’t just occur in warm waters. In this one hour special, we are brought into this alien environment and discover for ourselves a strange, hidden world that is simply abundant with life, ranging from the weird to the wonderful.

There is a fabulous colony of Greater Horseshoe Bats in the heart of the Camargue. This species of bat is one of the most amazing. A true little clown equipped with the very latest biological technologies, the Greater Horseshoe Bat is as rare as it is mysterious. "The life of a Greater Horseshoe Bat" invites you to share the life of a young female and her mother, for better or for worse...

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!!

In a remote region on the Pacific coast of Costa Rica, a lush landscape characterized by volcanoes meets tropical dry forest. Right there is a very special beach where two completely different species meet: sea turtles and jaguars. This has spectacular consequences for both sides and their environment. The two animals form an alliance that is as surprising as it is unintentional. The predator suddenly becomes a protector.

Serengeti, one of the last great biodiversity oases on the planet. A place where nature still reigns supreme. But how long will this idyllic image last?

Explores the Pyramids of Giza as Egyptologists try to unravel the mysteries and decipher the clues behind these stone giants built over 4,500 years ago.

A man forms an unlikely friendship with a wild otter while living in the remote Shetland Islands.

With 30 football fields of forest lost each minute in the world, we need to know now if we can save nature. This is the story of one conservation project, Restorasi Ekosistem Riau (RER). After decades of land-clearing and burning across Sumatra, the remote Kampar Peninsula is now the last great peatland rainforest on the island. But protecting this vast ecosystem pushes the RER team to the limits

Ducks are true originals. There are more than 120 different species of ducks in all, a fantastical group of complex characters. Ducks have a talent for survival, and life stories filled with personality and charm. Each bird is more fun than the last, and will leave you wanting more.

Whether it's the biggest great white, the most photographed tiger shark, or the shark known for jumping 100 feet up out of the water, we're diving into the stories of the greatest shark stars of all time.

The River Danube is home to a fish that grows larger than the Great White Shark. Although it leads a secretive life, the Beluga Sturgeon – the King of the Danube – produces the most prized food in the whole world. For over 200 million years, the 8-metre long fish had no enemies, and yet today it is on the verge of extinction. Evolution did not prepare the fish for pollution, river regulation and overfishing. Beluga caviar is traded for up to 20,000 dollars per kilogramme. Ironically, the high price of this precious product could save the animals from a premature disappearance from planet earth.

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.

In the northern reaches of Manitoba, resting on the edge of Canada’s Hudson Bay, sits the small town of Churchill. Home to fewer than 1000 year-round residents, Churchill is a remarkable place: it plays host to an annual beluga whale migration, is visited by the Northern Lights over 300 times per year, and sits in a pristine tundra that truly embodies the term “wilderness”. Churchill’s most famous visitor, however, is the mighty Polar Bear. Every year, hundreds of bears gather on the shoreline surrounding Churchill, awaiting the sea ice that forms on Hudson Bay during winter. Once it forms, they’ll use it as a platform from which to hunt seals, but until then, they wait on the coast, creating a fascinating, and potentially dangerous, interaction between the residents of Churchill and the world’s largest land carnivore.

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing dialogues of experts from all over the world, including former Soviet Prime Minister Mikhail Gorbachev, renowned scientist Stephen Hawking, former head of the CIA R. James Woolse

Researchers investigate whether orcas have begun hunting great white sharks off the coast of New Zealand.