The Simpsons/Season 22/Episode 21

Episode 20 Episode 22

S22 · E21

May 15, 2011 · 23 min

500 Keys

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Synopsis

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

Guest stars

Albert Brooks photo

Albert Brooks

Hank Scorpio (voice)

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Credits

Directed byBob Anderson

Written byJohn Frink

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