National Geographic Wild HD

Badlands National Park in South Dakota is a land of rugged beauty, home to a sea of grass, rocky spires and some of America's most iconic species.

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Paid programming.

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Paid programming.

See how a drug-free patch is helping people find relief-without medication.

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Tag the dog has a mysterious wound. Everyone wants to know, is Nova pregnant?

It's life or death when Rocky Rapids Clinic transforms into an emergency room.

Kiki the cat needs help after a fight on the farm. A rescue shocks the clinic.

It's life or death for a young foal. Lincoln the Lab has alarming test results.

A missing cat returns with serious injuries. An owl may have a broken wing.

Advice for anxious pets, and a golden retriever with an alarming mass.

A senior dog needs a drastic surgery, and a young horse rider competes.

A young dog hit by a car needs a full workup to assess her injuries.

Vets need to remove an infected organ ASAP to save an older dog's life.

Rural vets dig deep to uncover the causes of a summer surge of illnesses.

Dr. Oakley treats a pair of neglected dogs, and Willow rescues feral cats.

Dr. Oakley treats a sheep with a large growth and the eye of a tiny owl.

Dr. Oakley competes in a rodeo and treats a dog with persistent nosebleeds.

In Costa Rica, Dr. Oakley handles a pair of jaguars and a sloth in heat.

Dr. Oakley treats an electrocuted sloth and releases rescued animals back into the wild.

Dr. Oakley herds a group of unruly reindeer and treats a mini ram with a limp.

Dr. Oakley treats a beagle mix with a severely infected paw and rappels to an eagle's nest.

Dr. Oakley treats a kitten with a bulging eye, and Sierra preg checks a miniature cow.

Hazen travels to Papua New Guinea to meet the Mirr tribe and attend a tribal ritual; to prove himself worthy, he must head out into the wilderness alone and rely on his instincts to survive.

Hazen travels to the mountains of Northern Laos to meet the Akha tribe; he takes part in a hunt using traditional homemade gunpowder muskets.

Hazen travels to Suriname to meet the Saramacca tribe in the Amazon Basin; descended from escaped African slaves, he learns their rainforest survival skills.

Adventurer Hazen Audel battles dense jungle, wild waters and towering waterfalls to summit Mount Gharat; he joins members of the Salkon tribe on a hunt to bring back a feast for the community.

Hazen Audel battles his way through dense Guyana jungle and fights along waters filled with hungry predators; he tracks down a party of Makushi tribesmen.