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.

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.

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.

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

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.

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.

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

Dr. Oakley's daughter is graduating high school and leaving home, making the vet emotional, but the animals still need her. A golden eagle is found stuck in road tar. A musk ox is overheated. A dairy goat has a bruised udder after a fight with another goat. And finally, Dr. Oakley must castrate a 300-pound yak and treat a lame horse who simply needs to go on a diet.