Season 9

Cesar's in the UK to help two Jack Russels out of control on walks and around strangers, a rescued street dog over-protective of her new family. and a Dalmation out of control at home and on walks.

Cesar helps Herbie - a biter prosecuted under the Dangerous Dogs Act, two actresses with their badly behaved Alsatians, and a Cocker Spaniel who nips and growls when put in the car.

Still in the UK, Cesar helps a Jack Russell terrier who spins and barks when guests arrive, two dogs returning from Africa and having trouble adjusting, and a professional dog walker who can't control her own Patterdale terrier mix.

Before leaving the UK Cesar help to rehabilitate a Klee Kai who lunges and snaps at any dog that comes close, a Collie mix scared by a loud noise and now refuses to go out anymore, and a Labrador who is so energetic that it's hard to tell if he’s being friendly or dangerous.

At the Jersey Shore, Cesar must tame a pack of Chinese crested dogs that have their owners’ home in constant chaos, a mastiff mix full of unbridled energy, and two miniature dachshunds who have their owner at her wits’ end and on the outs with her mother.

Cesar helps a rock musician with his extremely aggressive pit bull so he can have someone watch her while he is on tour, and a comic book writer and his TV producer wife with two very aggressive Boston terriers.

At the Playboy Mansion, Hugh Hefner's girlfriend's Chihuahua mix is bullying Hef’s King Charles spaniel. In Redondo Beach, Miss February 2010, is having trouble with her Chihuahua attacking other dogs.And in Orange County, Miss September 2011's Boston terrier pug mix is chewing her out of house and home.

Cesar helps a group of comedians with their pets: Skyler Stone with his Jack Russell mix and aggressive Maltese-Chihuahua; Ralphie May and wife Lahna Turner with their older boxer and overprotective bulldog; and Paul Rodriguez with his three Chihuahuas.

Cesar helps dogs overcome their fears: a deaf and blind Whippet mix who has a hard time navigating the world without five senses, a Labradoodle whose fears the ocean yet lives on a boat, and a cocker spaniel who fears all humans, including her owners.

Ceasar help members of the NASCAR community with their pets: Brian Sacks and his aggressive Pekingese that has everyone running scared, and driver Kevin Harvick and his wife to get their Chihuahua to stop snapping at people before they welcome their first child. Cesar also visits the Halifax Humane Society, a grant recipient of the Greg Biffle Foundation, with Biffle himself and his wife Nicole.

Exercise guru Jillian Michaels Chihuahua has become the terror of the beach. She is adopting a two-year-old daughter and wants to make sure the dog won’t be aggressive with the baby. Kelsey Grammer and his new wife Kayte need advice because their dogs spend all day outside only to run into the house to pee and poop.

Kelly and Hyrum Lai are worried about their Lab's food aggression and that their 18-month old son could be bitten just for having food in his hand. Cesar then helps a homeless woman who has the opportunity to move into a women’s shelter that will also take her pit bull Tucker, who is not socialized for normal domestic living.