What Great Advancements!BackdropAmerican Dad!Poster7.8Rated 7.8 on TMDBAmerican Dad!What Great Advancements!Season 21, Episode 22GalleryAn aspiring inventor leaves the Farm to make a go of it in The Big City.CastSeth MacFarlaneStan Smith / Roger (voice)Wendy SchaalFrancine Smith (voice)Rachael MacFarlaneHayley Smith (voice)
