Cesar helps a vicious Chihuahua and a neurotic Great Dane.

Cesar helps a vicious Chihuahua and a neurotic Great Dane.

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

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

Cesar helps a paranoid Vizsla and a frantic Sheltie.

Cesar helps a paranoid Vizsla and a frantic Sheltie.

Cesar deals with a barking Chesapeake Bay Retriever and an aggressive Poodle/Schnauzer mix.

Cesar deals with a barking Chesapeake Bay Retriever and an aggressive Poodle/Schnauzer mix.

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 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.

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 aggressive Puli and a territorial Border Collie/Terrier mix.

An energetic Bouvier des Flandres and a twirling Pug/Peke 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!

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 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 Pit Bull who is very aggressive towards other dogs.

A demanding long-haired Chihuahua and a skittish Mastiff.

A demanding long-haired Chihuahua and a skittish Mastiff.

Cesar works with an aggressive Lhasa Apso and a hyper German Shepherd.

Cesar works with an aggressive Lhasa Apso and a hyper German Shepherd.

A dog-aggressive Shepherd/Lab mix, and a Rottweiler who pulls at his leash.

A dog-aggressive Shepherd/Lab mix, and a Rottweiler who pulls at his leash.

A possessive Yorkshire Terrier and an excitable Dalmatian.

A possessive Yorkshire Terrier and an excitable Dalmatian.

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.

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.

A manic miniature pinscher and timid pit bull.

A manic miniature pinscher and timid pit bull.

An aggressive border collie and a bulldog who, when leashed, attacks objects.

An aggressive border collie and a bulldog who, when leashed, attacks objects.

An aggressive yellow Labrador and a Doberman with separation anxiety.

An aggressive yellow Labrador and a Doberman with separation anxiety.

An aggressive and overly protective German Shepherd and a Brittany Spaniel who is very aggressive towards other female dogs.

An aggressive and overly protective German Shepherd and a Brittany Spaniel who is very aggressive towards other female dogs.

A rescued Rottweiler is aggressive towards other dogs.

A rescued Rottweiler is aggressive towards other dogs.

A West Highland Terrier who chews up the mail, and an aggressive and hyper American Pit Bull.

A West Highland Terrier who chews up the mail, and an aggressive and hyper American Pit Bull.

A Chow/Retriver mix who barks constantly, and a hyper Beagle/American Coonhound mix who is afraid of water.

A Chow/Retriver mix who barks constantly, and a hyper Beagle/American Coonhound mix who is afraid of water.

A food-aggressive Dalmatian and a Red Tick Elizabethan Beagle who runs obsessively and has a fear of garbage trucks.

A food-aggressive Dalmatian and a Red Tick Elizabethan Beagle who runs obsessively and has a fear of garbage trucks.

A hyper yellow Labrador and a Golden Retriever/Sheltie mix who doesn't like horses.

A hyper yellow Labrador and a Golden Retriever/Sheltie mix who doesn't like horses.

A herding mix can't stand his owner's new boyfriend and an English Bulldog who is defensive towards visitors.