In the days leading up to Dr. Michelle Oakley's work at a Yukon sled dog race, she handles a variety of patients, including some very fast sled dogs. On race day Michelle plunges in, examining a long stream of athletic dogs.

The Quebec caribou population is on the brink of extirpation, and veterinarian Michelle Oakley flies in to help save it.

Tragedy strikes the Oakleys’ own backyard when a coyote attack puts Willow’s goat in critical condition.

Pregnancy checks, baby animals and mud bogging, mean one thing to veterinarian Michelle Oakley'spring has sprung in the Yukon!

As spring arrives, the animals of the Yukon are becoming more active. Dr. Oakley is on the move too, heading to treat juvenile eagles with debilitating burns.

Winter weather in the Yukon has come, and the cold temperature brings in some serious work for Yukon veterinarian Michelle Oakley.

This week Dr. Oakley is tasked with performing a risky surgery on a reindeer that may not make it through the winter.

It's the end of the summer in the Yukon, time for many animals to go into rut. However, a few animals of Dr. Oakley's are a little slow to start the process.

Dr. Oakley works in some of the most remote areas of the Yukon, But this time, she's headed to the big city — Anchorage, Alaska with her daughters..

Michelle is squaring off with masses of animals to track down her patients — starting with a herd of precious bison in Alaska.

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.

This week, Dr. Oakley’s house calls consist of a string of scary visits that ultimately send two people to the hospital.

A baby boom has hit the Yukon Territory, and for Dr. Michelle Oakley that means helping a weak cow deliver an oversized calf, delivering puppies and treating a pregnant goat.

Dr. Oakley helps with the birthing season in Alaska, where she witnesses a rare reindeer delivery, nurses a baby moose back to health and neuters a wolverine.

Dr. Oakley treats a sled dog with a face full of porcupine quills and a baby moose with life-threatening indigestion.

Dr. Oakley works around the clock to round up a pack of rogue horses, solve a miniature horse’s medical mystery and give eight sled dog puppies their first exam.

In the Yukon, Dr. Oakley helps a young caribou with fast-growing, giant warts on his face and a mountain goat with a life-threateningly mangled foot.

In Alaska’s backcountry, Dr. Oakley has to castrate a Himalayan yak, sedate a sick lynx and, unexpectedly, help a hairless cat with a dangerous injury.

Dr. Oakley chases sheep, protects an ailing musk ox, and teams up with a superhero pig. She then reunites with Patches, a dog with a puzzling paw problem.

Dr. Oakley performs physical examinations on two black bears during a risky relocation, and a grey wolf goes under the knife for a complicated procedure.

Dr. Oakley examines two feisty wood bison before they are released into the wild, then travels by helicopter to a glacier to check on sled dogs.

Dr. Oakley takes to the skies to chase some of the Yukon's toughest wild horses, and a kitten's unexpected pregnancy scare could force a tough medical decision.

Dr. Oakley travels to Prince Edward Island to tackle a bison inbreeding problem, and then helps a horse with a fractured hoof.

Dr. Oakley goes to a remote island for a calf castration, but the routine surgery quickly turns dangerous.

Dr. Oakley risks her life to save a brown bear from drowning and a 600-pound boar needs help parting with his oversized family jewels.

Dr. Oakley travels to a bear sanctuary where she ends up in the middle of a brother bear brawl. Meanwhile, a horse named Fancy is having trouble with her gait.

Dr. Oakley helps various animals through the seasons.

Dr. Oakley is on an airborne mission to track down a wild boar who has contributed to the species' overpopulation in the area, but he's hard to wrangle.

Dr. Oakley traps a snarling wolverine to learn more about her ferocious species, but this girl is all bite.

Dr. Oakley is perched in the trees waiting for a hungry bear and a reindeer needs help.

Dr. Oakley treats two disgruntled pigs and a calf banding turns into a wild cow chase.

Harper the dog needs Dr. Oakley's expertise.

Dr. Michelle Oakley holds her ground against two unpredictable squealing boars.

Dr. Oakley is shocked by an elusive coyote.

Visiting a reindeer herd; a moose has a giant belly.

Dr. Oakley tends to baby-related needs in Alaska.

Dr. Oakley pays a visit to various Alaskan pooches.

An emergency cesarean section keeps Dr. Oakley up all night.

Dr. Oakley races the clock wrangling bison.

Unresponsive dog; tracking ibex in France.

Dr. Oakley races to find the cause of a mystery wound.

Dr. Oakley's wild cow chase; Sierra's Yukon chops.

Dr. Oakley travels to Sweden to learn about bears.

The future of a reindeer herd is in Dr. Oakley's hands.

Dr. Oakley checks out a baby muskox; the crew herds horses.

A cat's bladder problem puts Dr. Oakley in a tricky spot; rowdy bison need wrangling.

Everyone waits with bated breath as Dr. Oakley checks three mares for pregnancy.

Two bear cubs need Dr. Oakley's help as they embark on a long journey to a new home.

A young reindeer with many ailments needs Dr. Oakley’s help to get into fighting shape.

While Dr. Oakley awaits a litter of puppies, she hits the road to treat a stubborn bison.

Dr. Oakley sees two stubborn muskoxen, a particularly wily coyote and a badly burned dog.

Dr. Oakley participates in a race that pits people against reindeer.

Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth.

Dr. Oakley and her daughters rush to save a canine who’s ingested pills, then team up with Dr. Doyle to operate on a horse with a nasty leg infection.

Dr. Oakley fights to save a newborn reindeer calf and performs a miraculous surgery on a canine burn victim.

Dr. Oakley treats walking and breathing issues for a horse, tries to save a fox in peril, and performs surgery on a puppy.

Dr. Oakley preg-checks twelve cattle then races to diagnose a sick German Shepherd, while Sierra ponders if she’ll follow in her mother’s footsteps.

Dr. Oakley helps a horse with a strange lump and deals with a bull that's losing weight.

Dr. Oakley travels to a remote village to treat the local dogs and investigates what’s ailing reindeer at the Alaska Wildlife Conservation Center.

Dr. Oakley investigates a cat's seizures; gets hands on with a reindeer’s antler; and tries to remove an odd lump from a French bulldog.

Dr. Oakley and Sierra help all the animals affected by the devastating Australian wildfires, including kangaroos and koalas.

Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth.

Dr. Oakley takes on baby porcupines, a delightful moose calf, and even some newborn lynx kittens.

Dr. Oakley sees a wolverine with a growing lump on its side; a reindeer castration.

Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth.

Dr. Oakley faces a puppy emergency and treats a wolf in danger of losing an eye.

Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth.

Dr. Oakley treats a dangerously thin reindeer with a bellyache.

Dr. Oakley helps an alpaca with an eye injury and a dangerously emaciated dog.

Dr. Oakley diagnoses a mass on a horse and uncovers a surprise during a lynx's checkup.

Dr. Oakley helps a reindeer with broken antlers and a dog with severely burned paws.

Dr. Oakley treats a sneezing mink and takes part in a moose calf release.

Dr Oakley treats a Sitka deer with a recurring limp, an alpaca-llama cross with an attitude, and guards the family dog from a wandering hound.

Dr Oakley treats a moose with an eye injury, a rescued pig, and a dog with a porcupine vendetta.

Dr. Oakley learns to flip a pig and treats a dog at risk of losing a paw.

Dr. Oakley treats an off-the-grid dachshund and an emotional support pig.

Dr. Oakley escorts a horse on a boat and treats a bull with a limp.

Dr. Oakley treats a limping bull bison and a dog with a mammary mass.

Dr. Oakley treats a horse with a limp and an overweight dog.

Dr. Oakley treats a dog with a bloated stomach and a cow with a lumpy jaw.

Dr. Oakley preg checks rabbits, helps a sore duck, and relieves a reindeer.

Dr. Oakley treats a chunky chicken and a calf that was attacked by a bear.

Dr. Oakley treats an enormous bull and her own family's pet pug.

Dr. Oakley treats a miracle moose and a puppy that was hit by a car.

Dr. Oakley treats a cat that swallowed a string and a pregnant reindeer with cancer.

Dr. Oakley treats a limping bison and a litter of puppies struggling to survive.

Dr. Oakley tries to outsmart a herd of bison and fights for the life of a cherished friend.

Dr. Oakley faces a toxic emergency and removes the eye of an alpaca.

Dr. Oakley transports a bull by boat and sees chinchillas for a cuteness check.

Dr. Oakley performs a checkup on two scrappy lynx, and Sierra takes charge on clinic day.

Dr. Oakley operates on an unusual mass and investigates a musk ox with a hair loss problem.

Back in the Yukon, the Oakley's help over 100 cattle and a rowdy mini mule.

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.

Dr. Oakley herds a group of unruly reindeer and treats a breeding mini ram with a limp. Back in Haines, the team treats a dog with a mass and a supersized cat with painfully matted fur.

The Oakleys treat an electrocuted sloth, track the elusive tapir, and release rescued animals back into the wild.

In Costa Rica, Dr. Oakley treats jaguars, tackles an abscess on a tropical weasel, and determines if a rescued sloth can be released into the wild.

Dr. Oakley treats a dog with a mysterious nosebleed and an aging bald eagle. At the Kodiak Rodeo, she competes in a ribbon pulling contest.

Dr. Oakley treats an elk with hair loss and a tiny owl with a detached retina. One of the team’s favorite patients returns with a shocking wound.

The team travels to remote islands where they face an explosive feral cat population, neglected dogs, and a pair of mischievous goats.

Dr. Oakley lassos a calf at an old school cattle roundup. Later, she shears an overgrown sheep and treats a dog that was kicked by a horse.

Dr. Oakley treats an emaciated chicken and a dog with a lacerated paw. To help a mini horse, the team needs to get past his protective donkey pal.

Dr. Oakley treats a cherished breeding bull, a cat with a worrying lump, and a musk ox struggling to walk on his front hooves.

Dr. Oakley vaccinates a jet-setting chihuahua, tries to outsmart a shifty coyote, and meets a cow with an unusual growth.

Dr. Oakley treats a baby elk with a limp, performs a dental on a musk ox, and gives a roadside pedicure to a pig.

Dr. Oakley transports baby bison to their new home and treats a pair of therapy reindeer that help a veteran with PTSD.

Dr. Oakley treats a pair of debilitated chickens and a Highland cow who loves to give hugs. A reindeer farm hopes to turn their luck around.

Ahead of Sierra’s departure for vet school, the team treats an emu, a dog with a bulging eye, and a reindeer with a cracked antler.