When a farmer isn't able to deliver a lamb with "massive legs" it becomes a huge job for Peter. There's a surprise discovery at the local farming museum – some abandoned kittens. And Julian can see they all need help. Shona's night shift extends into the morning after an emergency call from a friend who's worried about her young Shire horse. Meanwhile, with a three-year old cocker spaniel clearly in pain on his walks, Matt and Martin perform pioneering spinal surgery.

It's the tortoise and the hare! Matt Smith assists a tortoise with an unpleasant maggot infestation, while Julian Norton tries to save a baby hare who's been attacked by a dog. Peter Wright sees some slow sprinters when he adjudicates a snail race at Thirsk Racecourse. Later he rushes to help a pregnant cow, hoping for a better outcome than when he delivered a calf at the same farm recently. Rohin Aojula teams up with the hospital's cancer specialist to perform life-saving surgery on a black Labrador.