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.

Documentary about the life of explorer Jacques Cousteau.

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their yo...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwi...

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time...

The Tasmanian Tiger twists and turns depending on how it's seen. Sheep-killing beast or tragic victi...

Jyire holds a motocross race in his hometown, where he must adhere to the park’s restrictions and dr...

Crazy cat lady or world-class musician? You decide. Dorian Rence smashes our notions of what matters...

An epic story of adventure, starring some of the most magnificent and courageous creatures alive, aw...

An astonishing journey revealing the awesome power of the natural world. Over the course of one sing...

Takes us to locations all around the US and shows us the heavy toll that modern technology is having...

Although first glance reveals little more than stones and sand, the desert is alive. Witness moving ...

William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of...

From the turtles of the Farasan Islands to the ibex that dot the Asir Mountains, this documentary ca...

Scientists have discovered and investigate the reason behind the behavior of sharks swimming around ...

“Entourage” star Adrian Grenier ventures to Cocos Island off the shore of Costa Rica to bring attent...

Filmed over 23 years, Rise of the Warrior Apes tells the epic story of an extraordinary troop of chi...