Peter gets an emergency call from sheep farmer Clive, whose ewe has gone into labour, but the lambs are tangled up inside their mother. One arrives safely but the second isn't breathing, and Peter's skills are put to the test when he realises there is a third lamb still to come. In Boroughbridge, Julian and Anne operate on a dog with a tumour in its chest.

Julian treats a lhasa apso with a mouth tumour which other vets have given up on, and comes up with an alternative course of action to save the dog's life. He also locks horns with an aggressive ram that has a sore eye. Over in Thirsk, Peter treats a Shetland pony with a painful foot condition and a cow with a prolapsed uterus.

Peter faces a struggle to save a baby alpaca that was born prematurely during a storm, and Julian performs a delicate eye operation on a labrador preparing for a dog show. A wallaby dies at a local visitor farm, raising concerns that its joey will not survive without its mother's milk and pouch. A newborn lamb suffers a potentially fatal injury, and a rabbit named Boris needs to be castrated if it is to stay in its new home.

A rare cattle breeder fears for the life of his favourite cow, which has been diagnosed with cancer and will need major surgery to have any chance of survival. A rottweiler puppy becomes seriously ill after eating 15 stones, a ram undergoes fertility tests, and a donkey has a problem with one of its legs. Plus, receptionist Sylvia leaves the Skeldale practice, so the staff prepares a special surprise for her.

Return of the documentary following Julian Norton and Peter Wright. Peter gets an emergency call from sheep farmer Clive, whose ewe has gone into labour, but the lambs are tangled up inside their mother. One arrives safely but the second isn't breathing, and Peter's skills are put to the test when he realises there is a third lamb still to come. In Boroughbridge, Julian and Anne operate on a dog with a tumour in its chest

Jean is seriously ill and her favourite sheep's life is in the balance, a springer spaniel with a number of lumps needs some attention and Julian feels the pressure in surgery when he treats a youngster's old rabbit. At Jackie Barlow's alpaca farm, Karine has an abscess on her chin

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Peter heads to a neighbour's farm hoping he can save the life of a seriously ill sheep, whose infected foot has become infested with maggots. Cocker Spaniel Paddy has an unusual hernia which is stopping it going to the toilet, and if Julian can't fix the problem it could lead to serious complications. With Katy on hand to help, there's a dirty job to do before they can begin the complex operation.

Peter operates on Wesley, a greedy terrier that has taken its food obsession too far and eaten an oven glove. Julian makes the difficult decision to remove the eye of Patch the rabbit, but an unexpected lump raises further concerns. Julian is then called out to help a ewe that is struggling to give birth to a large lamb. A makeshift operating theatre is set up in the barn, where he performs an emergency caesarean section, hoping to save both mother and baby.

Peter returns to his childhood home for the first time in 50 years and visits some of his former teachers from primary school to sixth form. He looks back on his experiences as a work experience student for Alf Wight aka James Herriot.

The series concludes with an episode focusing on births and new beginnings. While delivering a calf, Julian also helps a new graduate to begin her veterinary career.