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500 Keys
May 15, 2011
23 min
3.5/5
Season 22 - Episode 21: 500 Keys
00:00 / 45:00
Overview
After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.
Episode Information
TV Show
The Simpsons
Season
Season 22
Episode Number
21
Air Date
May 15, 2011
Runtime
23 minutes
Rating
3.5/5
Guest Stars
Albert Brooks
Hank Scorpio (voice)
Crew
John Frink
Writer
B
Bob Anderson
Director