Episode

The Simpsons: 500 Keys

Name: The Simpsons: 500 Keys
Released: 2011-05-15
Duration: 23 min
Cast: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria

The SimpsonsSeason 222011-05-15

Overview

After finding the keys to every door in Springfield, Lisa finds a hidden room beneath the elementary school.

Details

Series: The Simpsons
Season: Season 22
Episode: Episode 21
Air date: 2011-05-15
Runtime: 23 min

Episode context

500 Keys is Episode 21 in Season 22 of The Simpsons. It aired on 2011-05-15. The runtime is 23 min.

Previous / Next

Episode 20: Homer Scissorhands 2011-05-08 | 23 min Homer opens his own hair salon after discovering he is a talented stylist; Milhouse professes his love for Lisa.

Episode 22: The Ned-liest Catch 2011-05-22 | 23 min When Ned starts dating Mrs. Krabappel, he is surprised to learn how many of Springfield's men she has been with.

More episodes from this season

Episode 19: The Real Housewives of Fat Tony 2011-05-01 | 23 min Fat Tony and Marge's sister, Selma, fall in love and get married; Bart discovers a special ability.

Episode 18: The Great Simpsina 2011-04-10 | 23 min When the Great Raymondo takes Lisa on as his magician's assistant, she is conned into revealing the secret of his greatest trick to his nemesis.

Episode 17: Love Is a Many Strangled Thing 2011-03-27 | 22 min Marge persuades Homer to enroll in a fathering enrichment class; Bart becomes a school bully.

Episode 16: A Midsummer's Nice Dream 2011-03-13 | 22 min When Cheech and Chong stop in Springfield while on their reunion tour, Homer impresses Cheech so much he asks him to replace Chong; Principal Skinner forms a new comedy team with Chong; Marge tries to help a hoarder.

Episode 15: The Scorpion's Tale 2011-03-06 | 23 min During a field trip, Lisa discovers desert water that makes usually combative creatures get along; after getting kicked out of the retirement home, Grampa comes to live with the family.

Episode 14: Angry Dad: The Movie 2011-02-20 | 23 min Bart's film about an angry father quickly becomes a critical favorite, winning him several awards.

Episode 13: The Blue and the Gray 2011-02-13 | 23 min Moe attends a seminar in hope of gaining more confidence with women; Marge makes a change after discovering her gray hair.

Episode 12: Homer the Father 2011-01-23 | 22 min When Homer insists Bart must earn the new dirt bike he wants, Bart comes up with a scheme; James Lipton interviews a TV cast.

Episode 11: Flaming Moe 2011-01-16 | 23 min When Smithers transforms Moe's pub into a refined and trendy lounge, the establishment becomes Springfield's local gay hangout; Principal Skinner falls for the new, free-spirited music teacher.

Episode 10: Moms I'd Like to Forget 2011-01-09 | 22 min Marge reconnects with a close group of mothers she used to be friends with; Bart tries to break up their group when his playdates stop being fun.