Brian lets himself go when he marriage doesn't turn out the way he had planned on The Simpsons. "Dead Dog Walking" is the second episode of the show's 17th season.
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