S22·E21 500 Keys
- Episode
- Season 22, Episode 21
- Air Date
- May 15, 2011
- Runtime
- 23 minutes
- Director
- Bob Anderson
- Writer
- John Frink
- Score
- 7/10 (26 TMDB votes)
- Story Type
- Main Arc (Crucial)
Mytharc
Aired May 15, 2011 23 min ★ 7.0/10 · 26 TMDB votes
Narrative Classification: Pre-finale climax accelerating overarching mythology and major character reckonings.
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Synopsis
After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.
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Director & writers
John FrinkWriterBob AndersonDirector
Guest stars
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Frequently Asked Questions
When did Season 22 Episode 21 of The Simpsons air?
Season 22, Episode 21 ('500 Keys') originally aired on May 15, 2011.
How long is Season 22 Episode 21 ('500 Keys')?
The runtime for this episode is approximately 23 minutes.
What happens in The Simpsons Season 22 Episode 21?
After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school....
All The Simpsons episode ratings Season 22 Where to watch
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