To save her ailing father from serving in the Imperial Army, a fearless young woman disguises herself as a man to battle northern invaders in China.

Journey from Canada's wettest and most biologically diverse landscape to the temperate rainforest to the snow-capped peaks of the Rocky Mountains. Learn about wolves that fish for salmon, see head-butting male big horn sheep and ice-covered grizzly bears living near the Arctic Circle. The ancient coastal forests hide rarely told stories of human and wildlife relationships that have co-existed for thousands of years.

Go on an extraordinary journey from the spectacle of humpback whales feeding on capelin off Newfoundland to the world's largest intact temperate rainforest in British Columbia that is home to the rare "white" black bear. Acrobatic flying squirrels and thousands of red-sided garter snakes are just some of the incredible array of wildlife we see.

Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his homeworld and the end of Asgardian civilization, at the hands of an all-powerful new threat, the ruthless Hela.

Take an adventure with Dr. Brady Barr as he travels back to Uganda in search of a giant man-eating crocodile. This episode takes place on the Nile River in Murchison Falls National Park, where we'll find out just what it takes to capture crocodiles while Dr. Barr trains a team of rangers from the Uganda Wildlife Authority. Then it's on to the shores of Lake Victoria, where a massive, one-ton crocodile has been terrorizing villagers. Barr and the rangers...

Dr. Brady Barr has spent his life dealing with some of the most dangerous predators on Earth but this time he's way outside his comfort zone. In this episode, we join Dr. Barr on an investigation deep into the Alaskan forest to track and study the dangerous brown bear, then venture to the frozen shores of Canada's Hudson Bay to get an up-close encounter with a polar bear in its natural habitat.

Indiana Jones and his feisty ex-flame Marion Ravenwood dodge booby-traps, fight Nazis and stare down snakes in their incredible worldwide quest for the mystical Ark of the Covenant.

A charming thief and a band of unlikely adventurers embark on an epic quest to recover a lost relic, but things go perilously awry when they run afoul of the wrong people.

National Geographic's Explorer travels through prime bear country with expert Stephen Herrero, who dispels the myths and preaches the facts about bear attacks. From survivors' tales to dramatic footage of bear attacks, this episode takes a thorough look at the age-old conflict between bear and man.

In this expose of East meets West, Brooklyn-born host and global explorer, Chris Bashinelli (aka "Bash"), trades in his motorcycle for horseback- walking in the shoes of the oldest nomadic culture on earth. His mission? To see if he's tough enough to survive as a nomad. This means being slammed on the tundra by 300 pound Bökh wrestlers, drifting in racecars at 40 miles per hour on the outskirts of the city and grinding it out as a nomad at the ends...