- Dan Castellaneta (Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice))
- Julie Kavner (Marge Simpson / Patty Bouvier / Selma Bouvier (voice))
- Nancy Cartwright (Bart Simpson / Nelson Muntz / Ralph Wiggum (voice))
- Yeardley Smith (Lisa Simpson (voice))
- Hank Azaria (Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice))
- Harry Shearer (Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice))
The Simpsons — S20E18
Episode: Father Knows Worst
Air Date: 2009-04-26
Runtime: 23 min
Overview
Bart and Lisa start struggling in their academic and social lives at school and Homer starts monitoring them and forcing them to do better. Meanwhile, Marge discovers a sauna in the basement.