Family Guy (1999)

Season 4: Episode 25

Brian's gay cousin Jasper visits the Griffin house and announces that he is engaged to his partner and wants to be married at their house. When Mayor West bans gay marriage in an effort to cover up and bring attention away from a scandal of his own, Brian resorts to hostile actions to try to change the Mayor's mind. Lois and Peter question their view towards gay marriage while Chris joins the "Young Republicans" Club to impress a girl.