Episode 1

Expert trainers take on Britain's naughtiest dogs - and their owners. Fierce cockapoo Bear is putting a marriage under stress. Angry Chihuahua Gina has to be carried around in a bag.

Episode 2

Can the trainers help with a destructive Dalmatian that's causing carnage and costing its owners thousands? And is there a cure for a canine phobia of windscreen wipers?

Episode 3

Ken is terrified of dogs... including his own 18-month-old cockapoo, Freddie. Ken's wife Debbie is hoping the trainers can fix husband and dog, and restore harmony to the family home.

Episode 4

Muzzled collie Marvin's owners are at their wits' end with his lunging and nipping. Trainer Jo begins the delicate process of earning Marvin's trust. Plus: a diva-like cockapoo called Maggie.

Episode 5

The trainers take on newfador Ruby, an imposing eight stone of solid dog who refuses to budge on walks. And Maltese bichon Marco just won't listen.

Episode 6

A pint-sized pup keeps snapping at his owner Sean every time Sean tries having smoochy 'alone time' with his girlfriend Charlotte. And Wonder the blind dog needs help with anxiety.

Episode 7

A mile-a-minute Labrador is running rings round its owner. And a Jack Russell-cross with bad toilet habits has not only ruined his owner's home, now he's started peeing on the cat.

Episode 8

Unkempt toy poodle Daisy bites her owners Wendy and Dahana every time they approach her with a brush. And Yorkshire terrier Marley has a severe case of separation anxiety.