In this third episode, exotic specialist Lance Jepson operates on a chameleon with a mystery lump. Vet Rebecca has to treat a herd of alpacas and could two puppies awaiting surgery on their broken legs discover that they have more in common than just their injuries?

In this last episode, senior partner Dai Roberts gives 55 kilo French Mastiff dog Bronson a pedicure. Is it the end of the road for 26-year-old horse Patch, and vet Gareth Field tries to get to the bottom of what Charlie the Boston terrier has got in his tummy.

In this brand new series the cameras follow a week in the life of one of the largest veterinary practices in south Wales. For over 120 years St James Vets have been treating all creatures great and small from their branches in Swansea and Neath. In this episode: can vet Gwen Rees save a collapsed pet alpaca? Exotics vet Lance Jepson encounters a 16-foot-long python with breathing difficulties and Batman the rat goes under the knife, but will the rat live to fight another day?