The Simpsons
500 Keys
S22 · E21Original air time
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Episode details
- Original air date
- Your local date and time
- Status
- Aired
- Season / Episode
- 22 / 21
- Runtime
- 30 min
- Original network/platform
- FOX
- Data last checked
Overview
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.
About the show
The Simpsons is the longest running scripted show in US television history. It captures the adventures of Homer, Marge, Maggie, Bart and Lisa who are living in a fictional town called Springfield.
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