36 Season
769 Episode
The Simpsons - Season 22 Episode 21 500 Keys
Putting the Fun back in Dysfunctional!
When the Simpsons discover a collection of keys to every door in Springfield, Lisa stumbles upon an eerie hidden classroom beneath Springfield Elementary School. When she shares her discovery with Principal Skinner, the secret room mysteriously disappears and he takes the only key away. A determined Lisa uses her detective skills to lead her back to the room to solve an old school mystery.
- Year: 2024
- Country: United States of America
- Genre: Family, Animation, Comedy
- Studio: FOX
- Keyword: nuclear power plant, middle class, cartoon, satire, parody, dysfunctional family, school, social satire, family, adult animation, sitcom, kids, animation
- Director: Matt Groening
- Cast: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer