TV Guide National Geographic Wild Tuesday

A trio of mares living in the vast Yukon territory is checked for pregnancy by Dr. Oakley, a veterinarian with many years of experience.

A pair of bear cubs in need of medical assistance are treated by Dr. Michelle Oakley before they embark on a long journey to a new home.

A litter of puppies, as well as a stubborn bison, are treated in the vast Yukon territory by Dr. Michelle Oakley, a veterinarian with many years of experience.

The docs race to help a rare axolotl who has lost his appetite before assisting a tiny, wounded hamster and recover stones from inside a dog.

The veterinarians at Critter Fixer help a puppy before heading to a cattle auction.

The veterinarians at Critter Fixer hospital treat all sorts of canine friends in need of help.

The Critter Fixer docs treat energetic sugar gliders, a dog with severe smoke inhalation and use Eastern medicine to help a horse.

The Docs at Critter Fixer get a visit from an overweight show rabbit, fix a rescued coyote and perform an endoscopy on a patient.

The vets at Critter Fixer perform a difficult surgery on a goose.

The Critter Fixer vets help Dr. Hodges' French Bulldog.

The docs work with a goose with an injure leg, a bearded dragon with stomach problems, a lumpy rat and several sick dogs.

A host of animals is prepared for the wintry Florida weather at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo, by staff members.

The staff members at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo, supervise a couple of eggs as they await their imminent hatching.

A look is taken at the happenings at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo that's recognized, as a calf and baby kittens are treated.

Three chimpanzees residing in ZooTampa prepare for retirement; staff members at the ZooTampa Manatee Hospital tend to rescued manatees.

A Florida panther that has been caught in a trap receives a thorough medical exam; a pair of bearcats become acquainted with their new home.

A look is taken at the happenings at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo, as a female koala boasts a baby inside her pouch.

During the springtime, a wide variety of animals emerges from hibernation at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo.

A one-horned rhinoceros fails to find his partner in love; orangutans practice how to quickly and correctly respond to different trainers in the zoo facility.

A group of otters at ZooTampa at Lowry Park, a 63-acre Tampa, Fla., nonprofit zoo, is carefully cared for by the members of the zoo staff.

A horse with a mysterious nosebleed is treated by Dr. Michelle Oakley, a veterinarian with many years of experience treating animals.

Dr. Oakley participates in a race that pits people against reindeer in the vast Yukon territory in the far reaches of Northern Canada.

A pair of stubborn muskoxen, a particularly wily coyote, and a badly burned dog are treated by Dr. Michelle Oakley in the far reaches of Northern Canada.