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

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.