Plot: During a walk in the park with Nina and Wilbur, Stella interacts with a dog, Newton, who does not like the presence of a cat in his park. The two have a fight, and are broken apart by Nina. Later on at home, Stella begins itching irritably, and Emmy points out that she might have dirt flies.
The family take Stella to the vet, and are forced to leave her there overnight, much to Stella's dismay. During her stay, she befriends Pepita, a stray cat, who plans to head for New York after she gets out of the "vet joint". She even convinces Stella to go with her, but Stella decides to go back home with the Masson's after realising how much of a good home they provide her. Upon leaving, Pepita wishes Stella luck and hopes to see her again soon, one day.