Cat the vet helps Winston, a hungry hound who's piling on the pounds. Rory goes back to school to check on some baby chicks. And James needs a steady hand to perform a very delicate procedure on Olly the rabbit.

Cheryl performs surgery on Gilbert, a tiny hamster with a big problem. James throws a party for gentle giant Derek, a great dane puppy who just wants to fit in. And vet Cat needs to check over a snake that's a bit on the snappy side.

Vet Cat assists with some serious dental work on an adorable King Charles spaniel. James tries his hand at training a champion agility dog and Cheryl operates on an abandoned kitten in need of a home.