The Simpsons

Season 22 Episode 21: 500 Keys

After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.

Genre:

Family, Animation, Comedy

Seasons:

37

Episodes:

801

Actor:

Dan Castellaneta, Julie Kavner, Nancy Cartwright

Quality:

HD

Status:

Returning Series

First Air:

1989

IMDb:

8.0