Shark Week 2017

Sigourney Weaver guides viewers on a journey to the heart of whale culture to experience the extraordinary communication skills and intricate social structures of five different whale species. With the help of new science and technology, viewers witness whales making lifelong friendships, teaching clan heritage and traditions to their young and grieving deeply for the loss of loved ones.

Big-cat expert Boone Smith tracks pumas in Patagonia, but the tables are turned when a big cat starts to stalk him.

A documentary about the development and spread of the virtual currency called Bitcoin.

The rugged coast of our biggest state harbors the most incredible wildlife in America. When winter breaks, animals make the most of the endless sunshine before this world closes again in darkness. This is the story of the creatures that endure this harsh reality along the shoreline—Alaska's life on the edge.

As seen by the Viking gods, the fabled wildernesses of Norway, Finland and Sweden are revealed from the skies above.

Discover spectacular backcountry wonders unseen by tourists as you venture off the beaten track to experience the extraordinary hidden wilderness of Yellowstone National Park. Witness towering, newly mapped waterfalls; rarely seen predator behavior by wolves and grizzly bears; and ecological mysteries found only in this uniquely challenging environment.

Glacier National Park is undergoing dramatic changes. As the glaciers that give this wilderness its name rapidly melt away, it is clear the park will never be the same. Explore the backcountry of this scenic region s pristine forests, alpine meadows, rugged mountains, and spectacular lakes to discover a dramatic transformation and witness a defiant new environment as it emerges.

The premise of the program is that sharks can be brought into a state of tonic immobility by flipping them on their back, and that this characteristic might explain how a supposed series of Great white shark killings occurred.

In Louisiana, the so-called bayous form a network of navigable water arms with marshy banks that stretches for thousands of kilometers . The waters flow very slowly, with a barely noticeable current towards the sea at low tide and upstream at high tide. This complex ecosystem is home to a great diversity of animal and plant species. Shot in the border region between the states of Texas and Louisiana, the film follows the course of the approximately 900-kilometre-long Sabine River. It documents the sometimes surprising behavior of numerous animals that live there, such as ants, raccoons, crayfish, water turtles, egrets, pelicans, fish and jellyfish. The Mississippi alligator also lives here, growing up to two and a half meters long and weighing in at 90 kilograms. It is at the top of the food chain - and when it shows its 90 razor-sharp teeth with a beaming “smile”, you understand why.

The tiny, subterranean shrew uses echolocation like a bat, venom like a snake, and must eat every two hours to survive.

Welcome to The Mighty Northwest – a land of giants. Here you’ll find the tallest trees on earth, the last of America’s big glaciers, the most active volcanoes in the lower 48, and an epic meeting of land and sea that attracts some of the biggest marine life on the planet. From the redwoods to the Rockies, The Mighty Northwest supports animal protagonists with big personalities and enormous life-and-death challenges.