• 77%
    477 votes
  • Rate this episode
    What did you think?
  • 158k
    watchers
  • 210k
    plays
  • 266k
    collected
  • 91
    lists

The Simpsons: Season 22

22x21 500 Keys
TV-PG

Advertisement
Hide ads with
VIP
  • 2011-05-16T00:00:00Z on FOX
  • 22 mins
  • Bob Anderson
  • John Frink
  • United States
  • English
  • Animation, Comedy, Family
Advertisement
Hide ads with
VIP

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.

Advertisement
Hide ads with
VIP
Advertisement
Hide ads with
VIP
Advertisement
Hide ads with
VIP
Advertisement
Hide ads with
VIP
Loading...