Dr. Chris heads to Churchill, Manitoba, for the dramatic rescue and release of a wild adult polar bear; an 800-pound musk ox in urgent need of a hoof trim wakes up mid-procedure; Storm the rescued polar bear struggles to walk.
Former movie wolf Gambit isn't eating; on the tundra, Dr. Stephen gets between an aggressive male polar bear that threatens another momma bear and cubs; Jackie and Heather investigate a rescued polar bear's injured paw.
A new intern operates on a rescued peregrine falcon with an injured beak; Dr. Stephen and C-Jae investigate mysterious scars on injured belugas in the wild; Heather spots a troubling dental issue with a polar bear cub with broken teeth.
Dr. Chris is back working with the Polar Bear Alert Team to prevent polar bears from getting too close to the town of Churchill, Manitoba; he heads to the Canadian Polar Bear Habitat in Cochrane, Ontario, to treat a bear with an injured elbow.
The team must remove a cyst from the eye of an arctic fox; a new research project designed to help polar bears; the rescue and release of a great horned owl.
It's intern vet Whitney's busiest day yet when she works with Doctors Charlene and Chris to remove tumours on two rescued grey wolves.
Checking on a wild bald eagle that may have been electrocuted; after one of Assiniboine Park Conservancy's youngest polar bears tragically passes away, Jackie and Heather head to Churchill to honor its legacy; helping an injured harbor seal.
Onyx, the only female in Assiniboine Park Conservancy's pack of rescued wolves has a mass on her mammary gland; Dr. Chris and the vet team must rush to remove it.
Dr. Chris is called in to cure a bumblefoot infection in a wild trumpeter swan; Dr. Whitney treats deep scratches on Emile the seal; Dr. Charlene rescues three burrowing owls.
The Conservancy's youngest polar bear gets neutered so he can safely join his fellow bears. Meanwhile, Jackie must say goodbye to the seals, polar bears and her best friend and colleague, Heather.
When polar bear Baffin needs an emergency root canal, Dr. Chris and the team call in veterinary dental expert Dr. O’Morrow, who races to finish the surgery before the anesthesia wears off.
The Polar Bear Alert Team releases a bear back into the wild only to find another bear dangerously close to town. Meanwhile, the veterinary team removes a cancerous tumour from grey wolf Onyx.
Snow leopard Batu suddenly stops breathing while Dr. Andrea performs surgery. In Yukon, an injured baby lynx is reunited with its family with the help of Dr. Chris and new intern Dr. Shannon.
Dr. Whitney assesses rescued harbour seals with new intern vet Dr. Shannon at The Alaska SeaLife Center. At the Conservancy, tensions rise as a sandhill crane goes into distress while under sedation.
Intern vet Dr. Shannon takes part in her first surgery at APC on an endangered snow leopard; new polar bear alert officer Chantal jumps into action to chase a polar bear out of town.
Dr. Chris and the team perform emergency dental surgery on polar bear Aurora; Barkley the bison has a broken horn; an orphaned otter pup gets much-needed attention.
The vets are checking up on the most endangered animals in their care, while aging lynx Bijou is behaving abnormally due to potential kidney failure.
Dr. Chris travels to the Cochrane Polar Bear Habitat to treat a polar bear's injured leg; intern vet Dr. Shannon discovers a big problem while conducting a routine hoof trim on thinhorn sheep.
Dr. Chris must deal with reindeer bullies to keep harmony in the herd; with ice finally forming on Hudson Bay as polar bear season wraps up, the Alert team releases eight bears back into the wild.
The new leaders of the Polar Bear Alert team intercept a polar bear mom and her two cubs, helicopter-lifting them to safety; Dr. Chris rushes to treat and release an injured great horned owl.