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.