A dog nips and herds children in the opener of this series, in which canine behavioral problems are discussed and courses of treatment are suggested.
A female pointer mix has canine obsessive-compulsive disorder; noises make an Australian shepherd nervous.
An aggressive Boston terrier and a five-legged dog receive obedience training.
Cesar helps a police dog overcome a phobia.
Cesar and horse trainer Pat Parelli visit a ranch that provides therapeutic services.
Cesar provides obedience training to fitness expert Jillian Michaels' dog.
A feisty Chihuahua receives obedience training.
Cesar helps Kelsey and Kayte Grammer and Eileen Davidson with their unruly dogs.
A dog groomer deals with a hyperactive Great Dane.
Cesar offers tips for raising a puppy.
Cesar helps drummer Matt Sorum train his French bulldog.
A French bulldog deals with aggression issues.
A stubborn Welsh Sealyham terrier and a hyperactive mastiff receive obedience training.
A 2-year-old Pekingese refuses to eat dog food.
A rescued lab-mastiff mix deals with chronic pain.
A basset hound avoids men; a blue heeler deals with bedtime anxiety.
A blue heeler deals with anxiety.
A destructive bulldog receives obedience training.
Two Jack Russell terriers receive obedience training.
A Manchester terrier with a biting problem; an anxious Tibetan terrier.
Cesar meets an Aussie mix with fear issues.
Cesar tries to help a border collie build confidence.
Comedian Howie Mandel seeks dog-training advice.
Cesar visits two dogs by the beach.
Jillian Michaels.
Cesar goes to Australia to help a Weimaraner deal with his fear of motorbikes.
Cesar helps Casey Anderson ("Expedition Wild") and actress Missi Pyle train their two dogs.
Cesar offers obedience training to two Chihuahuas.
Cesar meets Mugsy and Deuce, a pair of Boston Terriers who are always up for a fight.
Cesar travels to the U.K. to consult with families whose dogs need help.
A high-strung Siberian husky needs to learn how to relax so its owner can take it for walks.
Cesar visits the U.K. to help an anxious collie.
Cesar visits England.
Cesar helps a Doberman pinscher with a variety of phobias.
Cesar travels to Australia to help a Shar Pei and an Australian cattle dog.
Cesar helps actress Rhona Mitra with her angry French bulldog.
Cesar helps a nervous cocker spaniel.
Cesar helps a couple's two dogs get along.
A rescued Terrier Mix gets help; a family looks for a new pup.
A Teacup Poodle gets an attitude adjustment.
Cesar assists a mobile vet.
A Corgi mix gets an attitude adjustment.
A Koolie overcomes his fear of squeaky toys.
A Lab mix who is afraid of hot air balloons and a Weimaraner who is obsessed with food.
Cesar helps an Aussie mix overcome its fears.
Cesar joins a pool technician.
Cesar helps a troubled rescue and a spoiled Dalmatian in England.
A Great Dane gets help from Cesar.
Four apartment tenants learn to coexist with each others' dogs.
A little dog with a big bark; a seasick pup.
A dog walker seeks advice on dealing with clients.
A rambunctious dog gets special attention.
A golden retriever has food aggression.
Cesar works with a Jack Russell and Chihuahuas who can't seem to get along.
Cesar works with a dog with severe food aggression.
Cesar helps an aggressive Rottweiler tame her fear response.
An Australian Shepherd with a fear of people in uniform.
A Shetland sheepdog and a bull terrier.
Two Frenchies and a rescue get help.
A Poodle is afraid of the screen door; a Weimaraner has biting issues.
Cesar helps a house full of Chinese cresteds and two troubled dachshunds at the Jersey Shore.
Cesar assists an American Eskimo dog.
Cesar assists some therapeutic dogs with their own issues.
A wild Rhodesian Ridgeback-mix breed proves to be a challenge for Cesar.
In the second-season opener, Cesar assists a blind Yorkshire terrier known for attacking. Also: A sheltered wheaten terrier learns how to socialize with others.
A dog displays aggression toward its owner; two pugs aren't gentle when they attack a young couple.
A corgi mix spends time with Cesar.
A blind chocolate Lab becomes violent at mealtime; a German shepherd must curtail its shenanigans.
A black Lab mix has a fear of being outdoors and stops at nothing to get back into its house.
A Rhodesian ridgeback is obsessed with rocks.
A Dalmatian-German shepherd mix is hostile toward its owner's mom.
A miniature pinscher display hostile behavior.
A terrier mix has extreme separation anxiety.
A bossy pug bullies another family pet, a potbellied pig.
An Australian Shepherd that experienced a traumatizing incident; an aggressive Yorkie.
Traumatic experiences impact a canine member of the bomb squad division.
Denise Richards' three French bulldogs get rowdy with each other and with guests; a sluggish bull terrier needs to spend more time outdoors.
Patti LaBelle won't go near her African Boerboel because she's fearful of the dog.
Two sisters try to deal with a pair of undisciplined Rottweilers they rescued from a busy freeway.
A Rhodesian Ridgeback with three legs refuses to stay in its home, and doors and locked windows are no obstacle for this dog.
A smart husky shows surprising violence toward other dogs; a shy canine avoids certain rooms in its home.
The owners of a rambunctious bulldog struggle to deal with their hyperactive pet while they run a restaurant.
Writer John Grogan struggles to deal with his new yellow Lab because the dog's bad behavior has become increasingly problematic.
Michael Damian's new puppy is frightening his cat; Julie Brown seeks some training for her Yorkie.
An Alaskan Klee Kai living in England displays nervous aggression; a Belgian Tervuren has severe anxiety.
A pink Maltese displays aggressive and obsessive behavior; a Rottweiler is captivated by horses.
A newly adopted wire fox terrier displays odd obsessive behaviors; new parents find their shepherd mix is not as excited as they are about their baby.
A blind and deaf whippet mix struggles with daily life; boat owners worry about their Labradoodle's fear of the ocean.
Two dogs are jeopardizing their owners' new marriage; a canine behaves too aggressively with other dogs.
A dog gets overexcited during car rides; a canine fears all humans, including its owners.
Two feuding Jack Russell terriers are kept separated in the same house in order to maintain peace.
NASCAR driver Brian Sacks struggles with his possessive Pekingese.
Two Yorkies interfere with a Maltese's obedience training; Paul Rodriguez's trio of Chihuahuas cause chaos.
A beloved family pet behaves aggressively with other dogs and people outside of the family circle.
Pet owners struggle to control their high-energy mastiff mix.
A border collie displays aggression near other canines.
Rowdy miniature pinschers overrun a household; a shy terrier is scared of males.
An aggressive Jack Russell terrier takes its anger out on a chair; a small Lhasa apso displays animosity toward people and fellow dogs.
A woman with panic affliction relies on her dog, but her dog's bad behavior in public is causing her problems.
A German shepherd's bad temper is causing problems for its family.
Two Yorkshire terriers disrupt their household with rowdy behavior; a bull terrier acts aggressively toward fellow canines.
An injured American Staffordshire terrier requires assistance; Virginia Madsen needs help with a companion for her French bulldog.
A small beagle needs to stop biting its owners.
A foster dog has transformed from delightful to mischievous; an English mastiff's bullying demeanor has become hazardous to others.
A mixed-breed dog lunges toward any nearby small animal; a growing poodle continues to act like a puppy.
The owners of some Great Danes need assistance.
A German shepherd needs to get accustomed to wearing a leash; a chocolate Labrador must adjust to shiny new hardwood floors; a bossy dog's behavior has grown hazardous.
A dog has developed a fear of the outdoors after a baby was added to the household.
A golden retriever grows fearful every time the household air compressor makes a noise; three lively small dogs overwhelm a young couple.
A spirited boxer wants to play all the time, and this sometimes leads to trouble.
Three Jack Russell terriers overwhelm their owner; a trio of German shepherds get overly aggressive with one another.
A Georgia household is chaotic thanks to a trio of miniature schnauzers; four French bulldogs call the shots at a home in New York City.
A Maltese has turned aggressive after being the victim of an attack; a Pomeranian has become spoiled by its owners in the wake of their loss of their other dog.
A pug mix acts bossy; a newly adopted Chihuahua must learn to adjust its attitude.
An English bulldog acts like a bully toward its owners; a Chihuahua needs to reign in its aggression, and its owners require some training.
An English bulldog acts like a bully toward its owners; a Chihuahua needs to reign in its aggression, and its owners require some training.
A Hollywood comedian struggles to deal with his canines' antics; a couple in California find that their overly cautious dog makes life challenging.
A Border collie displays possessive aggression toward one member of its family.
A bulldog is fixated by moving objects; a fearful-aggressive canine refuses to take the medicine it needs.
A bulldog is fixated by moving objects; a fearful-aggressive canine refuses to take the medicine it needs.
A vizsla accustomed to quiet country surroundings struggles to adapt to city life; an Akita mix doesn't interact well with other canines.
A couple are hesitant to have their dogs meet because one canine gets aggressive with fellow dogs and the other isn't a polite playmate.
Tension reigns in a cul-de-sac, and the neighbors turn to Cesar to restore the peace they once knew.
In the third-season opener, Cesar tries to help a black Labrador that has suddenly become dangerous to humans and fellow canines.
An overly energetic Great Dane needs to learn how to calm down.
A German shorthaired pointer has damaged its own health as well as the family home as a result of its extreme separation anxiety.
A bulldog acts calm when sharing one-on-one time with its owner, but when family or friends visit, bad behavior reigns.
Workers at a post office request training from Cesar on how to deal with erratic dogs they sometimes encounter.
A dog owner faces possible eviction due to her Lakeland terrier's bad behavior.
A miniature schnauzer has a big bark, which needs to be quieted.
A rescued American Staffordshire Terrier is displaying extreme separation anxiety and aggression.
Two small dogs cause problems in their dog-friendly apartment building, and their bad behavior could result in their owners being evicted.
A French bulldog's overly aggressive behavior toward other canines is leading its owner to become fearful of leaving the house.
An abused Great Dane puppy is displaying aggression, and it becomes more problematic as it grows in size.
Two sisters try to reconnect, but their new bond could fracture as one sibling fears bringing her baby around her sister's aggressive bichon frise.
A young man's Rottweiler has become a threat to others.
A fox terrier causes problems for everyone it encounters.
A rescued Australian cattle dog was unknowingly ill, and once it recovered, it began displaying its true aggressive nature.
A woman's dog does not get along well with her boyfriend's canine.
A couple's group of bichon frises annoy others at their owners' restaurant, and at home.
A successful teacher struggles to train her badly behaving Labrador retriever.
A dance instructor may lose potential new students because her Chihuahua keeps scaring them away.
A couple get help training their dog to be calm after it attacked their friend.
A rescued Labrador retriever struggles because of its tormented past, spending most of its time hiding in a corner.
Cesar walks down memory lane and advises people how to bring a new dog into their families.