Peter persaudes Brian to enter a dog contest so the family can win some money. Peter and Brian get into an arguement when practicing for the contest and Brian decides that he has had enough being treated differently from people. To show him who's boss, Peter takes him down to the vet where Brian learns his lesson.
Stewie: Rupert, did you call that engineer at Lockheed yet? Well of course you didn't you worthless little... (Hits Rupert the Toy Bear). There, see what you made me do? Do you think I enjoy hitting you? Well actually I do. I enjoy it so much I'm going to do it AGAIN!!! (Hits Rupert the Toy Bear)