Peter realizes that he liked Brian better before he sent him to obedience school on Family Guy. "Once Bitten" is the 15th episode of the show's 13th episode.
Aunt Margarite [on her video will]: Lois, you were always my favorite niece; I just knew you would find a wonderful man who would make all your dreams come true. But I was wrong. Peter: And now you're dead. Score one for Peter