Premise: Seth MacFarlane . MacFarlane is the creator of the TV series Family Guy ( 1999 -- 2003 , 2005 -- present ) , co-creator of the TV series American Dad ! Recruited to Hollywood , he was an animator and writer for Hanna-Barbera for several television series , including Johnny Bravo , Cow and Chicken , Dexter 's Laboratory , I Am Weasel , and Larry & Steve . As an actor , he has made guest appearances on series , such as Gilmore Girls , The War at Home and FlashForward .
Hypothesis: Seth MacFarlane only worked on The Simpsons.
Label: CONTRADICTION