Meet Jeff Young and his staff as you follow their hectic day to day lives saving animals at the Planned Pethood Plus Animal Clinic in Denver, Colorado. In the premiere of this series, a dog goes into cardiac arrest shortly after arriving at the clinic.

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.

Ten puppies arrive with a puzzling disease; a cat with a limp needs complicated hip surgery.

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 golden retriever is rushed into surgery after swallowing a pacifier. Then, when a stray dog is hit by a car in Oklahoma, Dr. Jeff and his team step up to save him - but they will need to find the dog a home once he has recovered from 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.

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