THE SIMPSONS
Photos: 1THE SIMPSONS: When the Simpsons discover a collection of keys to every door in Springfield, Lisa stumbles upon an eerie hidden classroom beneath Springfield Elementary School in the all-new "500 Keys" episode of THE SIMPSONS airing Sunday, May 15 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and © 2011 TTCFFC ALL RIGHTS RESERVED.
THE SIMPSONS
500 Keys
Image Caption
THE SIMPSONS: When the Simpsons discover a collection of keys to every door in Springfield, Lisa stumbles upon an eerie hidden classroom beneath Springfield Elementary School in the all-new "500 Keys" episode of THE SIMPSONS airing Sunday, May 15 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and © 2011 TTCFFC ALL RIGHTS RESERVED.