Some of the worst dogs in Britain come face to face with three trainers, who attempt to knock the dogs and their owners into shape with a dose of tough love and hard discipline. Rocky the Rottweiler's been throwing his weight around but now he has met his match, as trainer Mic Martin is determined to cut him down to size. Lynne Davies thinks clever collie Ellie's been outsmarting her doting owner, and can Robert Alleyne work out what makes Australian Kelpie Bis attack his owner? Show less