Three tough trainers take on a Parson Russell Terrier who is a hyper-manic sex addict, a Staffordshire cross who behaves like a gangster, and a Shar-pei with a violent temper. Show more

Badly-behaved dogs are rehabilitated by tough trainers. Robert Alleyne tackles mad weimaraner Xanthe and a pair of huntaway/kelpie crossbreeds give Mic Martin a run for his money. Show more

Badly-behaved dogs come face to face with tough trainers, including a football-obsessed boxer, a wayward border collie and a miniature pincher who won't keep his teeth to himself. Show more

Badly-behaved dogs come face to face with tough trainers. Lynne Davies takes on a springer spaniel, while Mic Martin attempts to reform a pint-sized Patterdale terrier. Show more

Badly-behaved dogs come face to face with tough trainers. Mic, Rob and Lynne attempt to reform an unyielding English bull terrier and a border collie with a hatred of postmen. Show more

Badly-behaved dogs come face to face with tough trainers. Mic Martin, Lynne Davies and Rob Alleyne tackle a labrador with a dirty secret and two papillons with tearaway tendencies. Show more

Dogs come face to face with three tough trainers. There's a nasty pint-sized Patterdale Terrier for Robert Alleyne to tackle and a mean Alsatian for Lynne Davies to rehabilitate. Show more

Britain's worst dogs meet up with three tough trainers. Alfie is a border collie cross who picks a fight with any man he can. Show more

Badly-behaved dogs come face to face with three tough trainers. There's trouble, tears and heartbreak on the road to reform and one owner has to face up to her worst fears. Show more

Britain's worst dogs meet up with three tough trainers. Jimmy Chew is a springer spaniel whose mission is to be as naughty as he can. Show more

Badly-behaved dogs are rehabilitated by tough trainers, including a dalmatian duo who are spoiling for a fight, a shar pei who is allergic to discipline and a kleptomaniac beagle. Show more

Badly-behaved dogs come face to face with tough trainers. Mic Martin, Lynne Davies and Robert Alleyne tell us which dogs have earned a place in the hallowed Hall of Shame. Show more

Britain's worst dogs meet up with three tough trainers. Tank is an abusive English Bull Terrier with an eye for anyone but his owner. Show more

Britain's worst dogs meet up with three tough trainers. Lynne Davies tries to stop English bull terrier Leo from running away and Robert Alleyne attempts to reform a rottweiler. Show more

Badly-behaved dogs are rehabilitated by tough trainers. Mic Martin, Lynne Davies and Robert Alleyne get to grips with Reggie, a basset hound who can howl for Britain. Show more

Badly behaved dogs come face-to-face with tough trainers. Rob Alleyne takes on a miniature schnauzer who terrorises a 10-year-old, and Lynne Davies tackles a boisterous boxer. Show more

Badly-behaved dogs come face to face with three tough trainers. Mic, Rob and Lynne have four days to turn around three Borstal inmates, one of which has an obsession with balls. Show more

Some of the worst dogs in Britain come face to face with three trainers. Trainer Lynne Davies tackles Ruff and Tumble, a couple of ASBO chihuahuas. Show more

Some of the worst dogs in Britain come face to face with three tough trainers. Dog behaviourist Robert Alleyne wrangles with two bull terrier crosses and their owners. Show more

Some of the worst dogs in Britain come face to face with three tough trainers. Mic Martin takes on lazy, fast-food loving Taz, a dog accustomed to getting his own way. Show more