Dog Whisperer with Cesar Millan - Season 4 (2007)

Cesar meets a pack of dogs that helps keep the port of Miami free of drugs, explosives and dangerous chemicals. Off the job, these dogs can't interact without incident. Can Cesar help them learn to play together as well as they work together?

Farm owners try to catch a feral dog for spaying after she gave birth to 15 puppies. An interior designer struggles with a dog pack that clashes. Mugsy, a rescued pit bull terrier, turns out to be a couch potato

A pit bull-chow mix fears the stove, forcing her owners to cook outside for the past year. A Rottweiler and a German shepherd battle for control of their house. A Jack Russell terrier can't handle the death of his pack leader, the family cat.

Cesar tries to broker peace between two Great Danes. Cesar helps the city of Los Angeles' Animal Control department with its aggressive new pet ownership program by riding along with one of its officers.

Tonight Show legend Ed McMahon has a snarling wheaten terrier. An adopted beagle named Abbey won't leave the house. An Australian shepherd named Vinnie is so territorial of his owner's house that no one has visited in two years.

Cesar meets a widow who has found herself alone with a combative pack of dogs after her husband died. A shar-pei/Doberman mix drools excessively on car rides. A Rottie-mix needs to return for a refresher course.

Gavin, a winsome Labrador retriever and a decorated explosive-sniffing agent for the ATF develops severe symptoms of PTSD following a 45-day stint in Iraq and two hurricanes. Will Cesar be able to help this heroic canine?

A rescued German shepherd must be caged around other animals after attacking another dog. A super timid rat terrier is scared of just about everything - other dogs, sudden noises, even strollers!

Cesar works with Jennifer Lee Pryor, wife of late comedian Richard Pryor to restore peace between her four dogs and the foster dogs she hosts. Can Cesar help Jennifer become a pack leader? A 6-year-old beagle has a severe aggression problem.

A Yorkshire terrier who recently lost his vision has become aggressive. A Pekingese/miniature poodle who is indulged by her owner growls, snaps and bites to get her way. A Rottweiler living on a horse ranch has a dangerous obsession with the horses.

After a rescued Lab-greyhound mix got into a dogfight, his aggression escalated. A rescued Rhodesian ridgeback/boxer mix has severe aggression and has been banned from the local "doggie hikes," for fear of hurting another dog. Can Cesar help?

Know what this is about? Be the first one to add a plot.

Cesar travels to Minnesota to work with Piper, a wire fox terrier that has an extreme fixation on a riding lawn mower. A rescued Shiba Inu named Marley displays severe food aggression in L.A.

In his four seasons as the Dog Whisperer, Cesar has found that the dog's issues often reflect larger issues in the owner's life. Cesar revisits some of his toughest cases to see how being on the show changed the dogs and the lives of the owners.

A family needs Cesar's help with their dog Shadow who exhibits aggressive tendencies and must wear a muzzle when walked. Cesar steps in to aid a professional dog walker and pet sitter, who's four-legged clients can test her best instincts.

Cesar attempts to curb the anti-social behavior of a German shepherd mix who tries to attack other dogs. A chocolate lab, growls and attacks anyone or anything near him when eating his food, including his own tail.

Cesar tries to help a bulldog whose owners can't bathe her, administer eye drops or clean her face without fear of attack. A beagle/terrier mix has an intense fear of trash cans. And, a Lab mix is afraid of the outdoors.

Cesar helps the new owners of an abused pit bull who lunges and bites when meeting new people. And Cesar works with a young foster dog, a Rottweiler shar-pei mix, who often frightens away any potential adopters with his aggressive behavior.

A ridgeback/boxer mix has a hyper attitude that has developed into a severe aggression problem. Cesar helps the owners of the pet boutique "OffLeash," with their two aggressive whippets, Rudy and Monte, who bark and lunge at dog visitors.

A pet groomer gets rave reviews but needs Cesar's help with handling some difficult clients. Chihuahua Peanut is only 10 pounds but makes a good bit of noise, causing chaos with her cohabiters. Can Cesar install calm in the nutty pack?

Brian and Patricia's border collie is overly protective of Patricia, nipping at anyone who comes near her. Officer James Espinoza rescued a German shepherd, Ali, named for famed boxer Muhammad Ali. Like his namesake, Ali is always ready for a fight.

Dana's Australian shepherd/pit bull mix has a severe aggression problem toward everyone but Dana's husband. Can Cesar help? Lisa and Keith's boxer is an expert escape artist, able to jump their 6ft. Backyard fence.

Ernesto's children have been hounding him to get a dog, but he is terrified of canines. His cynophobia began when he woke in a hospital, getting rabies shots after tormenting a neighbor's dog. Can Cesar help him overcome his phobic terror?

The owners of Scrout need help to regain control of their family home; Animal communicator Susan calls for back-up with Jody, her Pinscher; and comedienne Kathy Griffin enlists Cesar's help for her 2 temperamental rescue dogs.

Over 2,000 people gathered at Petco in hopes of a session with Cesar. This episode follows two of these troubled canines, one of which was a day away from being euthanized. Things get serious when Cesar's son joins in to help.

After the death of Noelle's husband, she didn't walk her two dogs for months. They developed some issues as a result. Can Cesar help bring harmony back into Noelle's life? Jeanne and David need Cesar's help with their angry dog.

Cesar has rehabilitated countless problem canines, but when he takes on two pit bulls that are at each other's throats, the result is a transformation that's nothing short of remarkable.

In Orange County, more than 2,000 people and their troubled dogs descended on a local PETCO to meet producers in the hopes of a session with Cesar Millan. Meet two of the problem pooches. Can Cesar dial down the bad behavior of these terrors?

In four seasons, Dog Whisperer with Cesar Millan has grown into a cultural phenomenon. Dog Whisperer with Cesar Millan celebrates its 100th episode with a grand reunion of many of the past guests -- and their dogs -- all in one place at one time.

Know what this is about? Be the first one to add a plot.

Nidia and Sean's French bulldog Bozley is anxious around other dogs and has nipped at people. Regina and Steve's vizsla, Ginger, is afraid of cars. Can Cesar help Bozley improve his social skills and steer Ginger's behavior toward the fast lane?

A Chihuahua mix terrorizes eight year old mastiff Harley and dominates the rest of the house. Cesar is called in to restore the balance of power and mend this odd couple's relationship. Cesar is called in to help a pit bull outgrow his puppy ways.

Bliss and Jason are afraid of being bit by their aggressive English bulldog/Lab mix, Argy. Cesar prescribes Argy some pack therapy. A cocker spaniel, Patches, has a life-threatening appetite for paper products.

Cesar comes to help a Labrador mix with dog aggression and a Jack Russell terrier and a Queensland heeler whose formerly cordial relationship has become hostile.