A boy is struck down with a strange condition. A woman has bizarre symptoms that push her to the brink of madness. A toddler falls into a trance-like state.

A teenager develops mysterious blotchy sores. A tough athlete is struck down by a rare disease. A woman battles strange bouts of vomiting.

A man starts coughing up blood. A newlywed husband is struck down by a rare disease. A young father experiences crippling abdominal pain.

An infant is suddenly paralyzed. A young father grapples with a monster that threatens to blind him. A woman's excruciating pain confounds experts.

A young woman is struck down by a dangerous parasite. An infant becomes mysteriously ill. A Midwestern man is brought to the brink by a deadly fungus.

Three unwanted Christmas surprises. A man bangs his head and is left fighting a one-in-a-million medical mystery. A wound in a boy's knee harbors an uninvited guest. And a man unwittingly feeds his own intended killer.

A man develops a strange growth on his wrist. A nurse sees twig-like pieces in her urine. A pregnant woman falls dangerously ill with flu-like symptoms.

Dr. Jeff Young & his crack team treat and save the lives of countless pets at one of the busiest clinics in America. In this episode, Jeff is faced with saving a dog that goes into cardiac arrest shortly after arriving at his clinic.

A 3 month-old micro pig with an injured leg requires surgery, but anesthesia could be deadly. A French Bulldog's routine dental exam becomes a complex operation. The team heads 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 dog is brought into the clinic with a suspected broken leg, but Dr. Jeff quickly diagnoses a far more serious condition requiring urgent surgery. Vet tech Tasha is forced to overcome her childhood fear of birds.

A golden retriever is rushed into surgery after swallowing a pacifier. When a stray dog is hit by a car in Oklahoma, Dr. Jeff & his team step up to save him, but they'll need to find the dog a home once he has recovered from surgery.

When a homeless man’s puppy breaks its paw, Dr. Jeff & his team put the animal’s welfare ahead of everything else. And when a dog in pain is brought in, x-rays reveal one of the worst cases of bladder stones the staff has ever seen.

A devastated owner rushes his golden retriever in after accidentally breaking her leg while playing with her. Then, a beagle is dumped at the clinic after a vicious dog attack & it’s up to Dr. Jeff to fix him up & find him a new home.

Rookie vet Dr. Amy’s surgery skills are pushed to the limit when fat cat Chubbs is rushed into the clinic with a serious facial injury. Meanwhile, Dr. Jeff helps a Labrador whose rear-end has been peppered with buckshot.

An overweight cat with kidney disease needs a miracle if it is going to survive. And, Dr. Jeff battles to save a dog hit by a car while the owners are on an overseas mission.