The Simpsons - Season 22 Episode 21 - 500 Keys - Watch Online Free
The Simpsons S22E21 Watch Online Streaming
May. 15, 2011When 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.
The Simpsons season 22
- S22E1Elementary School MusicalSep. 26, 2010
- S22E2Loan-a-LisaOct. 03, 2010
- S22E3MoneyBARTOct. 10, 2010
- S22E4Treehouse of Horror XXINov. 07, 2010
- S22E5Lisa Simpson, This Isn't Your LifeNov. 14, 2010
- S22E6The Fool MontyNov. 21, 2010
- S22E7How Munched Is That Birdie in the Window?Nov. 28, 2010
- S22E8The Fight Before ChristmasDec. 05, 2010
- S22E9Donnie FatsoDec. 12, 2010
- S22E10Moms I'd Like to ForgetJan. 09, 2011
- S22E11Flaming MoeJan. 16, 2011
- S22E12Homer the FatherJan. 23, 2011
- S22E13The Blue and the GrayFeb. 13, 2011
- S22E14Angry Dad: The MovieFeb. 20, 2011
- S22E15The Scorpion's TaleMar. 06, 2011
- S22E16A Midsummer's Nice DreamMar. 13, 2011
- S22E17Love Is a Many Strangled ThingMar. 27, 2011
- S22E18The Great SimpsinaApr. 10, 2011
- S22E19The Real Housewives of Fat TonyMay. 01, 2011
- S22E20Homer ScissorhandsMay. 08, 2011
- S22E21500 KeysMay. 15, 2011
- S22E22The Ned-liest CatchMay. 22, 2011