What Great Advancements!
American Dad! Season 21

What Great Advancements!
American Dad! Season 21

An aspiring inventor leaves the Farm to make a go of it in The Big City.

22 / 22

Episode

21 / 22

Season

7.8

Rating

4

Votes

2025

Year

Guest stars 10

Patrick Stewart

Avery Bullock (voice)

Jack Smith (voice)

Betty Smith (voice)

Parker (voice)

Kevin Michael Richardson

Principal Lewis (voice)

Al Tuttle (voice)

Tom (voice)

Raymond (voice)

Dick (voice)

Maurice LaMarche

Announcer (voice)

Crew 3

Writer

Writer

Jennifer Graves

Director