Some of the worst dogs in Britain come face to face with top trainers, who will attempt to knock the dogs and their owners into shape with a strong dose of tough love and hard discipline. George, an unruly chocolate labrador, is a troublesome teenager whose bad behaviour has got the neighbours up in arms. Will he prove too much even for trainer Mic Martin? Robert Alleyne takes on Staffordshire bull terrier Gunner, a spiteful thug who's driving his owners apart. Show less