
Aired Sunday 26 June,
12:30pm - 12:55pmon Channel 4 HD
The Simpsons
Series 22 Episode 21: 500 KeysThe Simpsons uncover a large amount of keys, one of which Lisa discovers leads to a secret classroom at Springfield Elementary with a dark history involving Otto the bus driver.
- Category
- Animated / Entertainment / Sitcom
- Original air date
- 15/05/2011
Cast and crew