National Geographic Wild HD

The docs at Critter Fixer operate on an eel and perform a snake C-section.

The Docs are awarded keys to the city for years of community service; helping a red tail boa; introducing a kid to a kid.

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

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

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

A black rhino labor takes an alarming turn; a kangaroo needs surgery.

A gibbon finds his song; platypuses return to a national park.

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

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

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

Paid programming.

Paid programming.

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

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

Paid programming.

Archaeologists hunt for the most intriguing Egyptian artifacts of all ... mummies.

Shark goes nuts; ape faces a fear; rhino seeks love; hippo makes a frenemy.

An elephant faces a fear; a monkey family has a baby; vultures make a nest.

Peri the porcupine is about to give birth to a fuzzy new baby; Anala, a Sumatran tiger, faces a series of challenging tests to keep her mentally and physically stimulated; Dugan, a southern white rhino, enjoys a birthday party.

Aardvarks Willie and Peanut go on a blind date that could ultimately produce the park's first-ever aardvark babies; a black rhino undergoes a blood draw; a massive Nile crocodile gets a checkup for his injured tail.

Beth, Erin and Kerri introduce Linus, a male mandrill, to a family of female mandrills; Nicole has a soft spot for a stinky pair of hyenas with spotty reputations; Susan helps Sohni, an eight-year-old Sumatran tiger, face a challenge.

For the first time in the park's history, Hartmann's mountain zebras arrive on the savanna at Disney's Animal Kingdom; babirusa pig Betty is introduced to babirusa pig Mentari, with the hope they will give the park its first-ever babirusa piglet.

Gino, a western lowland gorilla, celebrates his 39th birthday; Lori notices a lump on lioness Kinsey which requires medical attention; Amanda prepares to welcome a spotted eagle ray pup into the world; Katelyn teaches navigation skills to two macaws.

A giraffe gets a pedicure; an elephant check-up reveals a mouthful; a rescued chicken with an egg problem requires surgery; a dolphin gets a high-tech exam.

A group of wild sea turtles needs medical attention before being released back into the sea; a rhino receives special treatment after cracking his horn; a zebra gives birth.

Giraffes stop traffic, a lemur has a birthday and a hippo makes friends.

A 56-year resident, Sam, makes the most of what he has; in order to extend the wear of his boots using mink oil, he must first find and trap the minks.

As winter's end approaches, the change of season means new opportunities.

Residents deal with the forces of nature once again; Curly takes on pesky beavers in an effort to support the community.

Spring brings a host of chores and opportunities to Port Protection.

The residents of Port Protection deal with tasks and challenges as spring progresses.

The arrival of Spring in Port Protection means there is much work that has to be done, despite erratic bursts of rain, sleet and snow.

Using borrowed equipment to catch halibut; returning to some old hunting grounds; building a vertical access wind turbine out of junk and scrap metal.

Searching for a natural remedy for Hans' aches and pains; trying to pull a tree from the forest; a camping trip into the wilderness to hunt bear.

An enormous black mamba is hiding somewhere beneath a huge pile of scrap metal.