National Geographic Wild HD

There are no guarantees for Alaskans during the grim winter in the Arctic.

At the onset of dark winter, the clock is ticking for Alaskans to brace for what lies ahead.

To survive dark winter, Alaskans call on old traditions and learn new techniques.

With their futures uncertain, Alaskans must adapt to old and new surroundings to survive.

Hard lessons must be learned to survive during the dark winter in the Arctic.

As the weather shifts in the Arctic, Alaskans brace for dark winter's wrath.

Learning to live life on the move as wildlife chases the African rains.

There's no place like home at the very end of the Earth.

Polar parents making epic journeys to keep their families alive.

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Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Bone up on outdoor skills as Winston and the X girls move into their new fresh-air enclosure; witness Yasmine and Yara's kindergarten power struggle.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

Dr. Oakley goes to Alaska to help a Himalayan yak, a prickly porcupine and a hairless cat.

Dr. Oakley helps critters in need of critical care and pets awaiting lifesaving surgeries.

Dr. Oakley gives eight sled dog puppies their first exam, rounds up a pack of rogue horses and works to solve a miniature horse's medical mystery.

Dr. Oakley treats a sled dog whose encounter with a porcupine left it with a face full of quills and a baby moose who has life-threatening indigestion.

When a baby boom hits the Yukon territory, Dr. Oakley helps a weak cow deliver an oversized calf, delivers puppies and treats a pregnant goat.

Dr. Michelle Oakley makes her annual 500-mile trek to help Alaska's newborn reindeer and moose; she takes on a ferocious wolverine.

All-species vet Dr. Michelle Oakley has a tough day at the clinic; when a string of house visits get scary, two people wind up in the hospital.

Dr. Michelle Oakley covers thousands of miles as she tends the Yukon's animal population; she treats a 300 pound yak and a golden eagle.

Bear Grylls and Troy Kotsur, an actor suffering from hearing impairment, embark on an expedition in the Scottish Highlands, navigating steep peaks and rough waters.

Bear sets challenges for Bradley Cooper in the canyons of the Wyoming Basin.

Bear Grylls and Benedict Cumberbatch adventure at the edge of the sea.

Bear and Cynthia Erivo survive a cold and rugged region of Wales.

Bear Grylls takes Rita Ora on an adventure in the Valley of Fire.

In the Great Basin Desert, Bear Grylls instructs actor Daveed Diggs in survival skills, including tracking, climbing and foraging.

Hyena queen Zalika plots her revenge on the lions who keep her clan in exile.

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Dr. Pol races between the clinic and farm calls.

The staff relaxes for Independence Day.

The vets pull out their best tricks to treat splits, twists, rolls and flips.

A wild chase ensues when a Pol emu hops out of its enclosure and makes a run for it.

A family tradition for the generations, it's time for an incredible fair.

A Chihuahuas labor stalls, and a curious cat gets hooked.

Dr. Pol and Charles cook up a special treat for Mother's Day.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

Dr. Pol welcomes a new vet, Dr. Olivia, to the clinic.

The clinic works together to create an extra special surprise for Diane.

The Pols need to fix the sheep hut before winter arrives.

Scientists at Taronga Zoo must teach a rare bird its natural mating song.

With more than a thousand carnivores living at Taronga Zoo, the zoo's only butcher, Karlin, makes his way through the zoo while chopping. A yellow-bellied sugar squirrel is rushed to the Taronga Wildlife Hospital.

A penguin with a serious leg injury is brought in for rehab at Taronga Zoo.

Taronga's newest vet, Jess, gets a first-hand view of just how varied this job can really be; the critically endangered booroolong frog gets a second chance at life; Dr. John Martin helps save flying fox colonies in the wild; a rehabilitated fur seal finally returns home.

In one of the biggest vet procedures ever performed at Taronga Zoo nearly thirty staff and specialists are involved in the risky sedation of their 5.5 metre tall giraffe Jimiyu.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes into the hospital after narrowly surviving an eagle attack; a mission to Norfolk Island to save one of the world's most endangered species from extinction.

Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Bone up on outdoor skills as Winston and the X girls move into their new fresh-air enclosure; witness Yasmine and Yara's kindergarten power struggle.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Take a big bite of dinosaur vocabulary in this animated paleontology adventure!

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Paid programming.

Back Pain? Hip? Sleep well thanks to this cooling topper!

Paid programming.

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

Paid programming.

GEN90 Instant Wrinkle Treatment with Retinol will turn back the clock! The Pharmacist's solution for wrinkles, instant and long-term! Visibly reduces the appearance of crow's feet and fine lines instantly! Get fast, visible, long-lasting results!

Charles is worried about his dog Athena and looks to his dad for guidance.

Dr. Pol celebrates turning 80 with a trip to the Netherlands with Diane.

Welcome to the fair; Vets rally to keep dreams alive for hardworking kids.

Dr. Pol and Diane celebrate a milestone that's been decades in the making.

Taking calls from all over Isabella County now that the spring birthing season is in full swing.

A swift kick from a horse; Diane fills in for Dr. Pol; a zebra; castrating a racehorse; a cow with teat trouble.

A mini-pig, a giant bunny, a pregnant dog, and a hen visit the clinic.

A pup's eye problems; a bird's injured beak; a trio of alpacas that could be pregnant; a frantic Friday for the clinic with emergency after emergency.

It's summer in central Michigan, and high temps and humidity are taking a toll on everyone, especially the furry felines.

The vets at Pol Veterinary Services deal with large animals with massive injuries.

Pol Veterinary Services adapts to the COVID pandemic while still providing quality care.

Two gorillas are at the hospital as a pair of lions is getting acquainted.

A takhi hoof trim takes a scary turn, and a male monkey needs some space.

A wild koala has an unknown illness, and a new sea lion arrives at the zoo.

Watch as coastal babies swim, soar and splash through Australia's wild shores.

A king cheetah has slowed down, and 97 turtle hatchlings return to the sea.

A mystery lump on Ras the camel's ear has everyone stumped so it's time to investigate; the team find themselves in the middle of a life and death struggle to save an eastern long neck turtle with a fishhook stuck down its neck.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.