Bloodsuckers

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.

Werner Herzog's documentary film about the "Grizzly Man" Timothy Treadwell and what the thirteen summers in a National Park in Alaska were like in one man's attempt to protect the grizzly bears. The film is full of unique images and a look into the spirit of a man who sacrificed himself for nature.

David Attenborough brings to life, in unprecedented detail, the last days of the dinosaurs. Palaeontologist Robert DePalma has made an incredible discovery in a prehistoric graveyard: fossilised creatures, astonishingly well preserved, that could help change our understanding of the last days of the dinosaurs. Evidence from his site records the day when an asteroid bigger than Mount Everest devastated our planet and caused the extinction of the dinosaurs. Based on brand new evidence, witness the catastrophic events of that day play out minute by minute.

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard have been observing and investigating the communication between trees over decades. And their findings are most astounding.

This film, three years in the making, The remote forests of Kalkalpen National Park in Austria, the largest area of wilderness in the European Alps, have been left untouched by humans for nearly a quarter of a century in order to return to their natural, primeval state. The landscape regenerates itself in dramatic cycles of growth and decay, and this bold hands-off method of conservation yields salient results: the lynx, absent from the area for 115 years, has returned.

National Geographic filmmakers, Dereck and Beverly Joubert, explore how some animals are thrust together by the forces of nature-sometimes through a millennium of evolution or even last year’s drought. In the aftermath of strange elephant deaths, they piece together a visually stunning story that confirms their theory that lions were hunting elephants. Narrated by Jeremy Irons.

How did humanity's earliest ancestors evolve into one of the most successful species on Earth? An extraordinary journey tracing the footsteps of early hominids. Using the latest paleoanthropological findings mixed with the latest CGI from Square Enix, this story is finally told.

Costa Rica's motto is Pura Vida - Pure Life - and this deceptively small country is bursting with some of the most spectacular wildlife and pristine ecosystems in the world. All this diversity thrives, in part, thanks to one surprising little creature: hummingbirds. Venture across Costa Rica's wild and rugged landscapes, from volcanic peaks to coastal jungle to misty cloud forests and discover the nation's dazzling diversity of hummingbirds. Watch how these tiny birds play an outsize role in maintaining some of the richest and wildest environments on Earth, where a whole community of creatures, such as macaws and monkeys, enjoys The Hummingbird Effect.

Record high oil prices, global warming, and an insatiable demand for energy: these issues define our generation. The film exposes shocking connections between the auto industry, the oil industry, and the government, while exploring alternative energies such as solar, wind, electricity, and non-food-based biofuels.

A scientist explains how the savagery and efficiency of the insect world could result in their taking over the world.

Coral Reef Adventure follows the real-life expedition of ocean explorers and underwater filmmakers Howard and Michele Hall. Using large-format cameras, the Halls guide us to the islands and sun-drenched waters of the South Pacific to document the health and beauty of coral reefs. Featuring songs written and recorded by Crosby, Stills & Nash.

Sea life in a whole new way. Deep Sea 3D, an underwater adventure from the filmmakers behind the successful IMAX® 3D film Into the Deep, transports audiences deep below the ocean surface. Through the magic of IMAX®; and IMAX 3D, moviegoers will swim with some of the planets most unique, dangerous and colorful creatures, and understand this inspiring underworld.

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activity that rings the Pacific Ocean and the varied people and cultures who coexist with them. Spectacular volcanic eruptions are featured, including Mount St. Helens, Navidad in Chile, Sakurajima in Japan, and Mount Merapi in Indonesia.

The story of the evolution of tropical rain forests, their recent and rapid destruction, and the intense efforts of scientists to understand them even as they disappear. This film gives viewers a better appreciation of the importance of tropical rain forests on a global scale.

In September 1954, David Attenborough, cameraman Charles Lagus, Jack Lester and Alf Woods, both from the Zoological Society of London, set out for Sierra Leone. They spent three months intently surveying the landscapes of Sierra Leone in search of nature’s rarest animals. Although predominantly searching for Picathartes gymnocephalus (the White-necked Rockfowl) they hoped to take back to London a representative collection of the whole of animal life in this part of Africa.

The epic story of the life of a volcano, capable of both causing the extinction of all things and helping the evolution of species, over 60 million years.

This large format film explores the last great wilderness on earth. It takes you to the coldest, driest, windiest continent, Antarctica. The film explores the life in Antarctica, both for the animals that live their and the scientist that work there.

RHINO MAN follows the courageous field rangers who risk their lives every day to protect South Africa's rhinos from being poached to extinction.

Norman is not just an admirer of nature, he's a part of it. He survives the harshness of the climate and the wildlife by coexisting with it. With his wife Nebraska, they live almost entirely off the land, making money by selling their furs.

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage aquanauts on a year-long quest to deploy science and photography to inspire President Obama to establish new Blue Parks to protect essential habitats across an unseen American Wilderness.