Lisa's horse Teal has an unexplained gash on his neck. Tux the black Labrador has a nasty-looking mouth tumour. Smokey the cat, who normally eats anything and everything, has suddenly stopped eating at all. Julian must test 50 cows for pregnancy.

Peter is called out to help a 10-day-old calf who has been rejected by her mum. Semi-retired sheepdog Mick has a tumour wrapped around his spleen, prompting Julian to engage in some risky surgery.