The vets prepare a black lab for lifesaving surgery as his distraught owner waits in anguish. A muskox needs a tooth extracted and a stray cat arrives in critical condition, while vet students learn an unusual skill.

An old mare has nearly severed much of her tongue and the vets must perform a challenging surgery while she is both awake and standing up. A Terrier has an innovative respiratory procedure and a puppy has swallowed its owner's underwear.

An aggressive male Chihuahua proves to be a big problem while oral surgery on his sister gives the vet students a new challenge. The student vets also struggle to save newborn calves and spay a young Saint Bernard.

The deaf owner of a hearing service dog fears he has become blind and will be taken away. Meanwhile, a cow needs a caesarian section, a hairless rat has a puzzling skin ailment and an accident-prone lamb becomes a ward of the hospital.

A four-day-old Arabian foal is being ravaged by infection and the vet team races against time to save its life. A lynx must be subdued with an anesthetic blow dart and an orphaned lamb visits a pre-school.

Coughing and having trouble breathing, a German Shepard is rushed to the clinic where the vets suspect a deadly fungal disease. A juvenile alpaca's sight is restored, a champion horse has a foot injury, and Lambertus the lamb has his leg casts replaced.