Dr. Baier pays a visit to the Greenwood Wildlife Rehabilitation Center at the foot of the Rockies to help animals injured by a Denver hailstorm.

Dr. Don stitches up a cat with a serious wound.

Dr. Jeff helps an elderly Romanian man and his pack of stray dogs by fixing them at a local clinic.

A rescued Romanian puppy named Lucky goes on his first walk.

Chica, a ball headed python, needs Dr. B's help after some irregular shedding.

Dr. Jeff performs a tricky surgery on Stella, an 11-week-old Australian Shepherd, whose esophagus is being constricted by a blood vessel.

Elmer, a 6-month-old Nigerian midget goat, gets an X-Ray after being kicked in the chest by a horse.

Dr. Jeff pulls a mango seed out of a dog's colon by pushing it down the intestinal tract.

Dr. Jeff and his staff perform a teeth cleaning on an overweight bear.

Melody and Dr. Andres help a family whose backyard is overrun with stray cats during a trip to Mexico.

Dr. Jeff makes a tough decision to amputate a cat's leg after it sustained multiple fractures in an outdoor accident.

Stella Blue and her owner Jeff love the outdoors, but a snowboarding accident could be the end of the dog's adventuring days.

Dr. Jeff and his staff help Joyce adjust to life outside the puppy mill where she was kept in confinement for 12 years.

Dr. Jeff treats Lily, a 12-year-old puppy mill rescue with skin allergies. Lily, who has lived in a wire cage her entire life, gets to sleep in a bed for the first time.

Dr. Don removes a large mammary tumor from Faye, an 11-year-old miniature Maltese.

Dr. Jeff performs a tricky surgery on an abandoned black lab puppy named John Doe with a broken leg.

When Dr. Jeff finds out about his cancer diagnosis, emotions are high in the clinic. To show his resilience and strength, Dr. Jeff has Petra shave his head infront of everyone.

Dr. Rachel and Dr. Amy are high in the mountains of Colorado, ready to castrate longhorn calves. It's a tall order but they're total pros.

Cinder arrives at Planned Pethood with a large growth on his shoulder that’s been hampering his mobility.

When Chubbs is brought in with a broken jaw and eye socket, it's up to rookie vet Dr. Amy to put him back together again. But is she up for the challenge?

Coleten has been riding Varsity for the past five years. His mother credits the therapy with remedying his tantrums.

When a service dog's owner discovers a lump on her sweet dog's hind leg, she races her off to Dr. Jeff for a check up.

Infected gallbladders are few and far between at Planned Pethood. Spoons is rushed into surgery as his gallbladder is one of the worst Jeff has ever seen.

(Warning: Graphic Video Content) When a dog named Abby is brought into the clinic with a very bloodshot eyeball, Dr. Jeff has to perform surgery to determine whether it's cancer-related or another issue.

The staff travel to Colorado Gators and Reptile Park to address an infected arm of a 500-pund gator. However, getting an alligator immobilized is immensely difficult.

After a dog named Bentley was hit by a car, his one leg had to be amputated. His owners were out of the country but they race back to Colorado to get to the clinic - see emotional reunion.

Dr. Jeff isn't one big on holidays - but only because he's so focused and dedicated to helping animals 24/7. And, he just feels that sometimes, holidays can distract his mission.

Rosie's been through a lot - but thanks to Dr. Jeff, she's on the mend and has the chance at a new, more comfortable life, in a wonderful new forever home. Meet her new owner.

Get ready for a beautiful holiday miracle! Little Peppermint gets the healing touch from Dr. Jeff and team - and a forever home. What a perfect Christmas!

Catch an all-new episode of Dr. Jeff: Rocky Mountain Vet Saturday at 9/8c only on Animal Planet.

Dr. Dee and her husband head 180 miles north of Fairbanks to host a vet clinic for a remote town of 107 people.

It takes a team of three, some swift lasso-ing and a little ingenuity to castrate this calf, but if anyone can do it, it's Dr. Dee and her team.