An 18-year-old pony called Scrumpy Jack requires surgery to comabt severe colic whilst a bearded collie dog has heart surgery.

Lindsey attempts to help with a Chinese crested dog with a swollen womb whilst a cat called Miffy needs to have an eye removed. A rat called Marge has lost its sense of balance.

Ben follows a difficult operation to pin together a puppy's fractured leg whilst a herd of hefty sheep need some help dealing about their weight.

It is lambing season and farm vet Jo Oultram is called to help a heavily pregnant ewe that has been finsing it hard to give birth. An overweight Newfoundland named Ella is brought in to Leahurst's obesity clinic after after having been overfed.

Jo needs to work quickly to save the life of a dairy cow suffering with a twisted stomach. Peter operates on a miniature schnauzer and the small eyes of a capuchin monkey.