American dad is a cartoon series created by Seth Macfarlane. Macfarlane is also the show's executive producer. The show plays on the format of family guy but has some major differences. The family setup is almost as eccentric as those on Spooner St, but the show is not the same. When Family Guy began their jokes were mostly fart humor with some clever cut always. While American Dad has always had a much darker sense of humor. The slight underhanded jokes that the alien character, Roger, throws out are very intellectual. Roger might reference a little known poet and joke about prostitutes all under the same breath. And my final argument against any that dare say American Dad is less than Family Guy is that Werner Herzog actually directed an episode! The amazingly talented directed who brought us Fitzcarraldo directed a whole episode of this supposedly inferior show.
https://www.youtube.com/watch?v=ZR5qybydEzY