The Simpsons - Season 22 Episode 21 : 500 Keys

The Simpsons - Season 22 Episode 21 : 500 Keys HD
00:00:00 / 00:22:14
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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.

Title:The Simpsons
First Air Date:Dec 17, 1989
Last Air Date:Apr 18, 2021
Number of Episodes:707
Number of Seasons:34
Genres:Family, Animation, Comedy
Networks:FOX
Casts:Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer
Alternative Titles:Simpsonlar oilasi

Episode List Season 22