S21E22 of 22 episodes
What Great Advancements!
American Dad!(2005) American Dad!(2005) · Season 21 March 24, 2025 21m TV-14
Returning Series
An aspiring inventor leaves the Farm to make a go of it in The Big City.
Directed by
Written by
Guest Stars
Patrick Stewart
Avery Bullock (voice)
Daran Norris
Jack Smith (voice)
Swoosie Kurtz
Betty Smith (voice)
Parker Deay
Parker (voice)
Kevin Michael Richardson
Principal Lewis (voice)
Richard Kind
Al Tuttle (voice)
Josh Fadem
Tom (voice)
Thomas Lennon
Raymond (voice)
David Koechner
Dick (voice)
Maurice LaMarche
Announcer (voice)