A feral dog refuses to be caught; the addition of an English bulldog disrupts the harmonious relationship of a boxer and a cocker spaniel; a pit bull terrier refuses to go for walks.
A pit bull/chow mix has an extreme fear of the stove; a Rottweiler and a German shepherd battle for control; a Jack Russell terrier cannot handle the loss of its pack leader.
A family's new Great Dane moves in on its other dog's territory; Cesar helps Los Angeles' animal-control department with its new pet-ownership program.
TV personality Ed McMahon has an aggressive wheaten terrier; a beagle does not leave the house; an Australian shepherd is so territorial no one has visited his home in years.