Cesar helps a vicious Chihuahua and a neurotic Great Dane.

Cesar deals with an aggressive Lab mix and a hyper Chinese Crested.

Cesar helps a paranoid Vizsla and a frantic Sheltie.

A German Shepherd mix learns to be less aggressive around bikes and skateboards, and a Swiss Mountain Dog is helped through his obsession with lights.

A Shih Tzu that won't walk with a leash, and an increasingly aggressive Boxer.

An aggressive Puli and a territorial Border Collie/Terrier mix.

An energetic Bouvier des Flandres and a twirling Pug/Peke mix.

Churchill is usually a well-mannered dog, but when he's around other animals he turns into a monster. Meanwhile, the lovable pit bull, Maya, sometimes gets a bit too wrapped up in all operations of the household!

A spoiled and aggressive Maltese, and a German Shepherd who won't stop chasing his tail.

A Pit Bull who is very aggressive towards other dogs.

A demanding long-haired Chihuahua and a skittish Mastiff.

A wheelchair-bound owner tries in vain to keep her German Shepherd She in line. Then, after years of getting her own way, Lhasa apso Sasha needs to learn who the leader of the pack really is.

When Bob walks his dog Jake, all is well. But when Linda takes over the reins, Jake goes mad to protect her. Meanwhile, will 10-year-old Chantel ever be able to walk her 150-pound Rottweiler, King?

Of all the Yorkies in the Vener household, Scrawny is the favorite. But popularity has gone to this dog's head. Meanwhile, whatever Lola the Dalmatian wants, Lola gets. But can too much of a good thing be bad for both these dogs?

Cesar comes to the rescue of a lovable beagle that nonetheless terrorized an entire neighborhood. Then Cesar helps depressed and aggressive Alice find inner peace.

Daniela and Chad adopted Caper from a rescue organization, only to find that she had never been trained! And four-year-old Pit Bull Julius is a scaredy-cat when it comes to...everything. Can Cesar's assertive approach work for these misfit mutts?

Entertaining at the Francescon home has stopped because friends and family are afraid to face the vicious dog lurking within. Even Cesar has his hands full! Meanwhile, two-year-old Bulldog Jordan forgets he's not a puppy anymore.

Sunshine is a champion Doberman in the show ring, but on the street she can't wait to sink her teeth into another dog. Cesar may need a padded suit to control her, as well as a yellow Lab named Teddy who's anything but cuddly.

German Shepherd Pepsi loves his owner--but isn't too fond of her husband! Then, General Hospital actress Jacklyn Zeman is at her wits' end with an unworkable dog.

Abused his whole life, Nicki has finally found a loving home. But has too much damage already been done? Cesar helps the four-year-old Rottweiler adjust to his new life.

A Westie name Percy has grown into quite a handful for his ever-patient owner. Meanwhile, bad memories make a Pit Bull name Justice afraid to go for a walk.

Stewart, a Chow/Golden Retriever mix, was quiet at the pound, but became a barker in his new home. Then Beagle-mix Buddy makes a beeline for the house whenever anyone turns on the garden hose.

Lucy is an odd Dalmation. Affectionate one minute and angry the next, she's made her owners afraid for the well being of their newborn. Then meet Lizzie, who is obsessed with running--all day long.

Sophie's owners want her to stop horsing around their horses before she gets hurt. Can Cesar teach her some manners? Then there's Daisy, a yellow Lab, who believes she rules the house.

Herding-mix, Boyfriend, was a stray that came complete with trust issues. Can Cesar help to build his confidence and lessen his fear of people? Then actress and TV host Daisy Fuentes has a problem with her English Bulldog Alfie. Can Cesar get things moving in the right direction?