WatchThe Simpsons Season 21 Online
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After judging local events in Springfield, Moe gets sent to Los Angeles to join the cast of American Idol judges.
Principal Skinner tells Bart about Andy Hamilton, a former student that was a better prankster than Bart. Bart tracks down the 19 year old and they become friends.
Homer gets stuck doing community service and bonds with Chief Wiggum; Bart becomes obsessed with a Pokemon-style battle balls game.
During Black History Month, Lisa reads the story of her ancestor, Eliza Simpson, who helped a slave, Virgil, escape on the underground railroad.
In the twenty first season premiere, written by Seth Rogen, Comic Book Guy's comic, Everyman, becomes popular and it's made into a movie. Homer is cast as the lead role, but struggles staying in shape for the role.
After Homer's Duff duffel bag gets blown up with hazardous materials in it, the town gets retrofitted with surveillance cameras on every corner.
When Mr. Burns ends up in jail for stealing art work, Smithers ends up running the power plant.
Bart ends up stealing a kiss from a girl at school, Nikki (guest voice Sarah Silverman); Michelle Obama comes to visit Lisa.
The men of Springfield all become obsessed with a MMA and Marge begins to protest the show. The creator of the sport agrees to take it off the air if she can defeat him in a fight.
The annual Halloween special for the Simpsons is broken into three stories: Dial "M" For Murder; Don't Have a Cow, Mankind; and The Musical.
Homer installs a wind turbine behind his house; Lisa becomes attached to a beached whale.
In the 450th episode of The Simpsons, the onstage and behind-the-scenes rapport between Krusty and his new female sidekick Princess Penelope (guest voice Anne Hathaway) grows.
To raise money for her charity, Marge and the "Philanthro-Chicks" calender. Although reluctant at first, the photographer loosens her up and before long she's the talk of the town.
Episode recap to come after "O Brother, Where Bart Thou?" airs.
While on a Krusty day cruise, Homer, Reverend Lovejoy and Apu all get a letter from Moe saying he's running off with one of their wives.
Marshall, a human interest journalist, writes a weekly column about Abe's stories; Bart takes Larry the Lamb on an adventure.
Lisa tries to join some Wiccans but when they're busted by Wiggum, she serves as the chief witness; Homer hangs out with Cletus after discovering he makes moonshine.
Homer wins the lottery but can't tell Marge because he bought the ticket when he was supposed to be at a wedding with her.
To get out of homework, Bart pits Marge against Homer and puts their marriage in danger.
Ned takes Homer and family to Israel where Homer has an epiphany and thinks he's the Messiah.
When the Simpsons get a new neighbor with a familiar voice, Bart swears it's his old nemesis, Sideshow Bob, but no one believes him.
Homer, Marge partner with Seymore and Agnes Skinners to make it to the Olympics for curling; Lisa becomes addicted to collecting pins.
Bart spikes Mrs Krabappel's coffee with alcohol, getting her fired. Though he feels guilty, Bart loves his cool new teacher Mr. Vaughn.