Watch The Simpsons Season 20 Episode 18 : Father Knows Worst Full Episode Online

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.

Genre: Animation, Comedy

Air Date: 2009-04-26

Season Number: 20
Episodes Number: 18

First Air Date: 1989-12-17

Last Air Date: 2019-01-13

Runtime: 22 min