Sparky, a terrier mix, acts very aggressive towards other animals causing his owner to fear he may not pass the test to become a service dog. The real challenge is Sparky’s owner, AJ, who suffers from panic attacks. Can Cesar calm their anxiety?

On one reconnaissance mission, Edie found Troy, a one-year-old German shepherd. Edie brought him home and he instantly wanted to kill the other pets. Kim and Joel bought Rat Terrier Roxy from a breeder when she was just a puppy. However, Roxy is so timid that whenever a guest comes over, or a sudden noise disturbs her, she will pee on the floor.

Gavin is a winsome Labrador retriever that served five years as a K-9 explosive-sniffing agent. But in 2005, following a stint in Iraq, and two hurricanes that threatened his owner’s home on the Florida coast, the formerly fearless Gavin started exhibiting severe symptoms of anxiety and began to shut down. Gavin is not only scared of storms and fireworks, he’s terrified of any loud noise.

It was “hate at first sight” for Isis and Tina. A Great Dane mix, Nugget, has a deadly eating disorder. Cesar aids stranded dogs after Hurricane Katrina.