
With a unique ability to see the world through their eyes, renowned dog behaviour expert, Cesar Millan, rehabilitates all manner of troubled canines in this popular reality series, and often that involves Millan not only teaching dogs new tricks but also training their owners how to achieve a balanced relationship with their pets.

Dave Glassman adopts pit bulls Blackjack and Memphis together, but one day during a barking fit, the two dogs turn on each other.

Cesar works to dial down the bad behaviors of four problem dogs who won sessions at the PETCO auditions.

Cesar celebrates the show's 100th episode with a grand reunion of many of the past guests and their dogs.

Dachshund Lotus is very territorial; his aggression sends his owner Chari to the hospital; Cesar makes a house call to see Joey, a German Shepherd who is territorial over the second story of his owner's home.

A French bulldog is nervous around other dogs and occasionally nips at people; a Vizsla who resists going outside due to her fear of cars.

An aggressive bulldog; a beagle/terrier mix with a fear of trash cans; a Lab mix who starts to exhibit anxiety outside.

A pit bull is aggressive toward strangers; a Rottweiler/Shar-Pei mix must get his aggression under control or be euthanized.

A ridgeback/boxer mix's high energy develops into severe aggression; a couple's whippets bark and lunge at any dog that comes inside the boutique.