The Simpsons host a tastemaker party at their home to promote Absolut Krusty, Krusty the Clown's own brand of liquor. Mr. Burns takes notice of the party's success and decides to promote Homer to "Account Man" for the Springfield Nuclear Plant.

Krusty the Clown becomes depressed after getting fired from his television show for being unpopular with children. The Simpson family encourages him to make a comeback, suggesting that he seek help from an agent they met earlier at a television museum. This agent turns out to be Annie Dubinsky, who was Krusty's first agent and former girlfriend.

Homer lands his own political talk show and becomes the spokesperson for the Gravy Movement. He then is asked to select the next Republican nominee for President and officially endorses right-wing rock star Ted Nugent.

Lisa creates her own social networking service, SpringFace, and subsequently makes everyone addicted to the internet. Meanwhile, Patty and Selma challenge the Winklevoss twins at the 2012 Summer Olympics.

After Moe is heckled for not having any real companions, Moe's best friend and beloved bar rag narrates his incredible thousand-year journey to Springfield.

Beginning in the Middle Ages, the bar rag was loomed into a beautiful and ornate medieval tapestry and traveled around the globe through the hands of royalty before finding himself found himself at Moe's Tavern.

Meanwhile, Bart begs Milhouse for forgiveness after the two friends get into a tiff, and when the bar rag goes missing, Moe realizes that he has more friends than he thought.

Marge and Lisa's mother-daughter Valentine's Day plans take a turn when Lisa meets Nick, an intellectual romantic who shares the same passion for culture, history and literature. Lisa and Nick fall head over heels for each other in a fairytale romance and make a secret getaway to Mulberry Island to profess their eternal love.

Meanwhile, Bart and Milhouse are inspired by the hosts of "MythCrackers" to "crack" Springfield Elementary's own legends.

The Simpsons are evicted from Springfield and join an off-the-grid community outside of town.

But when Homer and Marge try to sneak back into Springfield, they are welcomed with hostility from their former friends and neighbors and begin to appreciate their new and more accepting home.

Karma gets the best of Homer after he gets his friends in trouble, and as a result, his bedwetting problem worsens. The family goes on a mission to infiltrate his dreams to search for clues in his subconscious to determine the source of his problem. But just as things take a dangerous turn in the dream, a figure from Homer's past appears, and he is finally reassured that the fond memories of his mother Mona (guest voice Glenn Close) remain alive, giving him just the right amount of reassurance to cure him of his problem.

In order to get back at his dad, Bart goes undercover as a graffiti street artist and plasters Homer's unflattering image all over Springfield. But one night, Bart and Milhouse get caught in the act by established street artists Shepard Fairey, Ron English, Kenny Scharf and Robbie Conal (guest voicing as themselves), and to Bart's surprise, they invite him to exhibit his satirical artwork in his very own gallery show.

Meanwhile, a hip, new health food superstore opens in Springfield that threatens to put Apu and the Kwik-E-Mart out of business.

Mr. Burns replaces all of Springfield Power Plant's employees with robots (guest voice Brent Spiner) but decides to keep Homer as the sole human worker. With unemployment at an all-time high and mechanical arms operating the workplace, Springfield becomes a dismal and humorless place. But when Homer's machine-programmed peers start to turn on the community and his former real-life employees come to the rescue, they all realize that robots can't replace human friends.

When Bart supervises Jimbo's girlfriend at a movie, she develops a crush on him; Homer is persuaded to buy a state-of-the-art treadmill with a television, and he becomes obsessed with watching it from the treadmill, but not actually working out.

When Bart gets his wish for a family vacation, he becomes determined to make it last forever.

Homer embarrasses Marge at the movies during a film featuring superspy Stradivarius Cain, and his apologies fall on deaf ears. In an effort to become a better husband, he seeks help from someone he believes to be the real Stradivarius Cain.

In the Season 23 finale, Lisa tries to boost her popularity by ghost writing positive things about herself on the school blog. The effort fails miserably, until a psychic force tells Lady Gaga (who provides her own voice) that Lisa needs her help.

When word gets out that Edna and Ned have secretly wed, Marge offers to throw them a party, but bringing folks together makes them all realize that no marriage is perfect. Meanwhile, Edna tries to help Ned's children become more socially acceptable. Watch the credits... there's a treat!

Homer and Marge try to track down Grampa by following clues that lead to secrets from his past.

A black hole threatens to swallow Springfield, Homer tries to find the source of paranormal activity, and a "Back to the Future" parody in which Bart keeps Marge from marrying Homer.

When Marge's car falls into a sink hole, she buys the perfect replacement to fit her family of five. But she quickly grows to hate it because, as she tells a shocked Homer, the car would be too small if she wanted to have another baby. Meanwhile, Bart and his friends are determined to find out what secret Lisa is keeping when Bart finds her cryptic messages and follows her sneaking off downtown for covert meetings after school.

Homer is shocked to discover that his bowling teammate is an accountant for Fat Tony and his mob. When Fat Tony gets jury duty, he appoints Dan as the temporary don of the mafia. Meanwhile, Lisa adds insects to her vegetarian diet after she passes out in the middle of a saxophone solo, but starts questioning her decision when bugs start pleading for mercy in her dreams.

A "cool family" from Portland moves in next door to the Simpsons. Homer is desperate to befriend them, while Marge is skeptical, thinking that being cool is not all it's cracked up to be.

Bart will be visited by many of his past girlfriends.

Homer wins a MyPad at the school auction and Steve Mobbs, who is now in heaven, talks to Homer through it. Homer goes into a funk when he breaks the myPad, until Ned Flanders discovers a miracle tree in the Simpsons' back garden.