While on the road, Dr. Oakley misses being home but performing surgery on a reindeer and examining a great horned owl keeps her busy.

Dr. Oakley visits the wide open landscapes of the Yukon, home to a diverse collection of wildlife.

Dr. Oakley examines creatures at zoos and wildlife organizations.

Dr. Michelle Oakley is a veterinarian in one of the most rugged environments on Earth. In addition to running an animal clinic out of her home in Haines Junction, Yukon -- where she lives with husband Shane and their three daughters -- Dr. Oakley also operates a satellite clinic 150 miles away and is the on-call vet for the Yukon Wildlife Preserve, which is about 100 miles from Haines Junction. She also makes house calls, sometimes driving for long stretches through desolate wilderness to check on a patient. This series presents enhanced episodes of "Dr. Oakley: Yukon Vet," which documents how the good doctor juggles being a full-time vet, wife and mom, and does so with a sense of humor and devotion.

Making house calls in the far reaches of Northern Canada is a daunting task in the least, considering the houses may be separated by hundreds of miles. That challenge doesn't stop Dr. Michelle Oakley from performing her many duties as a veterinarian in one of the most rugged environments on Earth. In addition to running an animal clinic out of her home in Haines Junction, Yukon -- where she lives with husband Shane and their three daughters -- Dr. Oakley also operates a satellite clinic 150 miles away and is the on-call vet for the Yukon Wildlife Preserve, which is about 100 miles from Haines Junction. She also makes house calls, sometimes driving for long stretches through desolate wilderness to check on a patient. This series documents how Dr. Oakley juggles being a full-time vet, wife and mom, and does so with a sense of humor and devotion.

On the Hawaiian island of Kauai, people in need of medical care for their pets often turn to Dr. Scott Sims. The owner of Pegasus Veterinary Clinic, located in his Kilauea home, Dr. Sims and assistants Dia and Ella keep busy treating a wide variety of domestic and wild animals. He makes "house" calls, too -- on beaches and mountainsides, in the water and jungle -- traversing wild, rural and oceanic Kauai topography. "Aloha Vet" profiles a man whose phone is rarely silent. With a heart of gold, Dr. Sims works long hours helping animals that walk, crawl, fly and swim.

Dr. Noel Fitzpatrick is one of England's top veterinarians. This series showcases Fitzpatrick and his staff treating hard-to-cure ailments with innovative care and surgical techniques. The program gives the often emotional stories of pets, owners and the passionate team that pushes boundaries of medicine to save animals from life-threatening conditions. Nicknamed the Bionic Vet, Fitzpatrick employs more than 100 people at his neurosurgery and orthopedic clinic in Surrey, England.

In the varied forms of veterinary medicine, Dr. Susan Kelleher's practice may be one of the more unusual. Known as Dr. K, she runs South Florida's Broward Avian and Exotics Animal Hospital, and this series follows the staff as it cares for rabbits, ferrets, foxes, fish, birds, reptiles, marsupials, and even primates. As do some other vets, Kelleher thinks domesticating wild animals like monkeys is a bad idea, but that feeling doesn't interfere with her taking care of them: "If it will fit through the door, I'll treat it," she says.

Cornell University College of Veterinary Medicine opens its doors, allowing viewers exclusive access to follow first-year students mastering the basics, and fourth-year students handling difficult cases from hamsters to horses. The documentary series shows the blood, sweat and tears required to become a licensed vet, beginning with a mountain of information that students must digest, commit to memory and recall at a moment's notice. Then it's on to tasks like restraining animals, repairing fractures, inserting pacemakers, and removing abscesses, before the chaos of emergency room procedures are introduced.

At the Emergency Veterinary Trauma Center in Toronto, one of the busiest animal care facilities in Canada, the interpersonal stories of veterinary professionals play out as they work tirelessly, with dedication and determination, to save the lives of their animal patients in need of urgent medical care. Each week, new emergency cases involve a wide array of specialties within veterinary medicine, including critical care, oncology, cardiology, neurology, anesthesiology, dermatology, dentistry and surgery.