An overweight cat with kidney disease struggles to survive; a dog is hit by a car while its owners are out of the country.

A miniature pig with an injured leg needs surgery, but it may not be able to handle anesthesia; a French bulldog has a routine dental exam that turns into a complex operation; the team ventures into the Rockies to help a couple who rescue sled dogs.

Dr Jeff and his team are pushed to the limit when a litter of 10 puppies comes in with a mysterious and deadly disease. Then, Dr. Jeff must work out what's wrong with a limping cat before performing complex hip surgery.

A 5-month-old puppy that belongs to a homeless man has an injured paw; a dog in pain has X-rays that reveal a severe case of bladder stones.

A beagle is left at the clinic after it was attacked by another dog; a golden retriever has a broken leg; a technician shows a rescued kitten's owner how to feed it if it refuses to eat; a goat needs a botched operation fixed. Also: The staff visit a farming community to help with a feral cat population.

A runaway dog is brought in by animal-control officers after it got caught in a chain-link fence. Meanwhile, a dog has buckshot in its hind quarters; a large cat has a facial injury; a dog has a sore paw; and longhorn bull calves must be gelded.

The staff hosts a fun run to raise money for animals in need; a dog requires emergency surgery after it's found tied to a fence; a stray Pomeranian finds a forever home.

In the premiere of this series following the work of Denver veterinarian Jeff Young and his staff at Planned Pethood Plus, a dog goes into cardiac arrest shortly after arriving at the clinic.

A dog may have a broken leg, but Dr. Young suspects it's a more serious condition that requires immediate surgery. Meanwhile, a veterinary technician must overcome her fear of birds; and a cat's appetite gets it in trouble.

A stray dog needs a home once it recovers from surgery that was required after it was hit by a car in Oklahoma. Meanwhile, a golden retriever needs immediate surgical attention after swallowing a pacifier.