Set in Springfield, the average American town, the show focuses on the antics and everyday adventures of the Simpson family; Homer, Marge, Bart, Lisa and Maggie, as well as a virtual cast of thousands. Since the beginning, the series has been a pop culture icon, attracting hundreds of celebrities to guest star. The show has also made name for itself in its fearless satirical take on politics, media and American life in general.
Simpsons' twentysecond Halloween show. The Diving Bell and the Butterball: Homer is bitten by a radioactive spider. Dial "D" for Diddly: Ned becomes a serial killer. In the Na'Vi: Bart and Milhouse in an Avatar spoof.
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.
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.
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.
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!
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.
Lonely Professor Frink uses science to turn himself into a man whom women find attractive. Then, overwhelmed by the attention, he invents an algorithm to perfectly pair the lonely men and women of Springfield, realizing that scientific exploration is his true love. Meanwhile, Marge, Bart, and Lisa visit Grampa for Valentine’s Day and try to rescue the old folks from a drug-induced hallucination that allows them to relive their happiest memories.
After Bart accidentally sends a sweet homeless woman's cart into the river, he allows her to live in his closet for a small fee. When Lisa discovers that the woman is an incredible folk singer, she offers her own closet and plans a concert, only to be disappointed by Hettie's surprising substance abuse and violent nature. Meanwhile Homer tries to prove he's handy, but accidentally traps the cat in the walls of the house.
After performing CPR on a tased raccoon, Lisa discovers her calling to be veterinarian and becomes an intern at the local office, but learns a tough lesson when her neglected class hamster dies. Meanwhile, Marge moonlights as a crime scene cleaner for a little extra money, and the trauma of the gory scenes make her increasingly dead inside.
Not feeling unique, Lisa signs up for the Mars One Space Colony – to Marge’s dismay. Then, Marge hires Bart to go through the tryout process with Lisa to make her want to quit.
When Smithers is devastated by Burns’ lack of affection towards him, Homer makes it his mission to find him a boyfriend. Meanwhile, after Bart orchestrates the removal of the lead in the school’s stage production of “Casablanca,” Milhouse serves as a terrible understudy, which frustrates his co-star, Lisa.
After getting into an argument, Marge takes Lisa on a touristy trip to Capital City, where, after attending a musical, they meet the show’s star who reminds Lisa how lucky she is to have such a great mom. Meanwhile, Bart is frustrated that everyone expects his pranks, so he teams up with Maggie to trick people.
Homer recalls a tense family vacation to the Grand Canyon with the Flanders family. At first, the Flanders’ perfection puts the families at odds, but when they get stranded and Ned and Homer go for help, the families finally bond.
"The Simpsons are going to..." Paris (well, Homer and Marge are), but in order to be able to afford the trip, Homer has to smuggle an exotic snake into France so it can be made into a gourmet meal.
After butchering a speech in front of all of his friends at work, Homer turns to improv comedy to gain back his confidence in his public speaking skills. Meanwhile, Marge decides to rebuild Bart’s lackluster treehouse, but tensions rise when Bart questions her building skills. Also, in the episode’s last three minutes, Homer appears LIVE for the first time on television (both for East and West Coast broadcasts) to answer fan questions.
Marge goes to prison for letting Bart play in a park unsupervised.
Sanjay passes his stake in the Kwik-E-Mart to his millennial son, Jay, who turns it into a hip, health food market against Apu’s insistence on tradition. Bart, whom Homer had convinced to give up pranking, is called upon to return to his trickster life and take down the new store.
After a photo Marge posts on social media gets Homer fired, he returns to the best job he ever had, a dishwasher at a Greek restaurant. This same post inspires Lisa to code an app that predicts the real-life consequences of anything you post online, only to create sentient artificial intelligence.
There is a new teacher at Springfield Elementary, and a captivated Bart tries everything to win her over. Meanwhile, Homer decides to buy a new brand of “milk,” which causes early puberty, both for Bart (augmenting his wooing powers) and Lisa (whose small bout with acne opens her up to the world of makeup and popularity).
When Homer loses $5,000 at a poker game with Broadway legend Laney Fontaine, the only way he is able to settle the bet is if he loans Lisa to Laney for a month. Then, Laney turns Lisa into a show biz kid and Marge and Homer fear they made a mistake letting her go. So they head to New York to get her back.
Lisa sets out to restore the tarnished reputation of Springfield’s first female inventor. To find her invention, she scours an abandoned asylum and a restaurant that caters to men. Bart joins Lisa at the asylum, stealing one of the homicidal patient’s notebooks, and bragging to the boys at school that he wrote the entries himself. This revelation causes Homer and Marge to believe he is a sociopath, which Bart decides to use to his advantage until things go too far.
Bart’s coming of age story a la “Boyhood” chronicles his life from six years old to his time as an accomplished young man. Along the way, his tense relationship with Homer, an overly uncaring version of himself, and Lisa, who overshadows him in every way possible, shape Bart more than he realizes.
Scotty Boom, a Chew Network super-chef, challenges Homer to a smoke-off. But when someone steals Homer’s secret weapon – a smoker he bought off a mysterious man at a BBQ shack – Lisa and Bart are on the case.
When Lisa becomes scared at the Krustyland Halloween Horror Night, Homer is forced to take down his Everscream Terrors decorations. Halloween pop-up employees seek vengeance on Homer for causing them to lose their jobs, and rob his house while Homer and Lisa hide out in the attic. Homer and Lisa light up their stored holiday decorations to attract attention and stand up to the intruders.
In the annual fright fest Halloween episode, Sideshow Bob finally kills Bart, only to reanimate him; Homer wakes up with short-term memory loss; and Lisa, Bart, and Milhouse get super powers from radiation.
Lisa makes a new pal at school named Harper, whose internet billionaire father becomes buddies with a different Simpson: Homer. Soon, though, Lisa becomes worried that Harper is a little too entitled.
Homer is diagnosed with narcolepsy, but instead of returning home with his prescription medication, he returns home drunk. He and Marge visit a marriage counselor and have a trial separation, during which Homer begins dating a 20-something.
In a magical medieval world, Marge's mother is turned into an Ice Walker and the only way for Homer to afford the cure is to force Lisa to use illegal magic. When the King discovers this, he kidnaps Lisa, and Homer must lead a feudal uprising to save her.
Marge and Lisa turn Lisa’s sad experience into a successful graphic novel-turned-Broadway show, but they struggle with creative differences and ego.
Marge sends Lisa to a performing arts camp, where counselors and fellow campers inspire her to embrace her creative side; upon returning to Springfield, Lisa grows restless with her boring suburban lifestyle.
Lisa invests in Nelson's brand-new business venture, but soon realizes that her friend's instant success might lure him away from the classroom. Worried that his judgment might be clouded, Lisa introduces Nelson to the well-educated and successful creator of Facebook, Mark Zuckerberg, only to find out that he too dropped out of school.
Lisa starts coaching Bart's Little League team; Marge and Bart spend the day at an amusement park, where former MLB manager Mike Scioscia gives Bart advice.
In the 21st Treehouse of Horror episode: Bart and Milhouse discover a real-life board game that they must win to return home in "War and Pieces"; Lisa falls in love with a moody, preteen vampire in the Twilight parody "Tweenlight"; and Marge and Homer go on a honeymoon on a sailboat, and rescue a castaway named Roger who tries to kill them in the Dead Calm parody "Master and Cadaver".
Fat Tony (voice of Joe Mantegna) woos Marge's sister Selma, and they marry. Marge worries that Selma is choosing her new lifestyle over family after the whirlwind romance, but Tony invites Homer and Marge to join them on a getaway at the Jersey shore. Meanwhile, Bart develops a gift for finding truffles, much to Lisa's delight.
After Homer discovers a genius talent for styling hair and opens his own salon, he becomes Springfield’s most in-demand hair stylist. But having to listen to women’s problems and gossip all day long leads Homer to believe his gift may actually be a curse. Meanwhile, when Milhouse decides to live each day to the fullest, he comes out of his shell and professes his love for Lisa, only to have his heart broken. Milhouse then catches the eye of popular fifth-grader Taffy, causing Lisa to make a bold move.
After Springfield's latest disaster, Mr. Burns has a condition for the citizens before he finances rebuilding.
Mr. Burns hires the Simpsons to play his live-in virtual reality family, but excludes Homer so that he may play dad. Now alone, Homer finds a new best friend in girl-next-door Julia, who eats, drinks and thinks like him.
After Homer catches Bart rooting for Springfield’s football rival, the Boston Americans, he plans a family “hate-cation” trip to Boston in an attempt to show Bart that Boston is a terrible city.
Better late than never, The Hunger Games come to Springfield!
Lisa and Bart investigate Krusty’s suspicious new "Krustaceans" candy. Meanwhile, Homer wants a promotion at the nuclear plant and asks Marge to help him dress the part, and news anchor Kent Brockman struggles to find his feet in the changing media world.
Homer gets roped into coaching the kids' lacrosse team with Milhouse's dad, Kirk, who is in desperate need of a friend. When Kirk gets too clingy, Homer vents about how much of a loser he is. Kirk overhears his rant and disappears, right when the team needs him most: the championship game.
When the Retirement Castle and the V.A. Hospital can’t solve Grampa’s health issues, the Simpsons decide to take a family trip to Cuba to get him cheap medical care.
Homer finds a new app that makes his life much easier and outsources his father-son bonding. Meanwhile, Grampa finds that he is about to be a father again.
Krusty tries to impress his daughter as they spend Christmas with the Simpsons. Meanwhile, Reverend Lovejoy seeks converts after church attendance plummets, and Maggie is haunted by a spooky Christmas toy.
When Marge becomes obsessed with a Japanese style of living, the Simpsons must part with any item that no longer brings them joy. For Homer, this means finding a new home for the family pig. For Lisa, it means saying goodbye to her beloved sax.
Mr. Burns tries to relive his glory days and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Mr. Burns seeks revenge on the music producer with the help of Homer, Bart, rapper Jazzy James and the mogul's ex-wife, Praline.
Mr. Burns tries to relive his glory days and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Mr. Burns seeks revenge on the music producer with the help of Homer, Bart, rapper Jazzy James and the mogul's ex-wife, Praline.
When all the fast food restaurants in Springfield become healthy, Homer turns to the last bastion of greasy food for comfort — and digs up some childhood memories along the way. Meanwhile, Lisa must find a good news story when the future of her school radio station is in jeopardy.
When Bart and Lisa return home abruptly after a traumatic incident at Kamp Krustier, they put an end to Homer and Marge's romantic encounters. Without sex to distract him, Homer becomes a more productive worker and caring husband, but Marge misses the old Homer. Then, Bart and Lisa return to camp to confront the source of their trauma.
In this parody of a cable sports show, Bart goes from delinquent with detention to the star basketball player at Springfield Elementary. Lisa covers Bart's success for the school paper, and Homer becomes the team’s coach. Things go awry when Bart gets involved with the mafia.
Worried that Bart is destined for failure, Marge turns to a series of parenting "experts" for advice. Homer decides to cash in on one expert’s advice by opening up a trophy store in Springfield. Meanwhile, Bart finds some needed encouragement from Grampa, who gives him a precious watch coveted by Homer.
Disappointed in Yale, Mr. Burns decides to start his own for-profit university and Homer is hired as a professor.
Bart gets in trouble on Grandparents Day at school and is forced to hang out with Skinner’s mother as punishment. After spending time with various grandmas in the neighborhood, he learns the benefits of hanging out with the elderly, but eventually recognizes the dangers of taking advantage of them. Meanwhile, Peekimon Get has taken over the town of Springfield.
Homer and Marge attempt to work on their marriage, not knowing that Mr. Burns and Nigel have a bet on whether Nigel can break them apart. With the successful, albeit unconventional, help of Moe, the couple gets back their mojo.
When Homer's court case determines that a dog's life is more valuable than a human's is, the status of man's best friend rises in Springfield. When the dogs recognize their new position of power, they assert their dominance over the humans.
A Springfield resident dies, Krusty retires after he's offended by a comedy cable channel roast of him, and Lisa tries to protect Homer from getting hurt.
Marge opens a sandwich franchise store after her sandwiches become a huge hit at Springfield Elementary. But running day-to-day at the store proves challenging, especially when the same franchise opens another location across the street.
In a Halloween-theme episode Bart reads Aramaic symbols from the bottom of his desk and he and Lisa are transported to an alternate world filled with demons. Also, Moe organizes a "Clockwork Orange"-ish gang in which member Dum (Homer) falls for a young lady (Marge) who wants him to quit. In a homage to "The Others," the Simpsons reconnect with their earlier incarnations from the Tracey Ullman era.
Lisa brings in assembly woman Maxine Lombard to put a stop to Mr. Burns' fracking operation, but is taken aback when the two political opponents find themselves attracted to one another.
The Planet Express crew come to present-day Springfield to prevent the Simpsons from destroying the future.
Bart schemes to bring down his new teacher, Mr. Lassen, who is a terrible bully. Meanwhile, The Simpsons go to Burning Man.
Homer has a mid-life crisis, takes up bass guitar and forms a cover band with some of the other dads in town. But the band's modest early success is soon overwhelmed by the breakout potential of their most unlikely star, Apu.
After Moe convinces Homer to stay out drinking on Christmas Eve, Marge tells Homer not to come home. This leads to Homer's sad trek through lonely Springfield, where he learns that the only place where one should truly get drunk on Christmas is home.
Bart has a new accomplice and best friend when Homer is hypnotized at the circus and believes he is a young boy again.
When inventor Elon Musk lands in Springfield, he and Homer become fast friends and revolutionize the town's nuclear plant. But when Musk goes overboard and Mr. Burns wants him removed, Homer must figure out a way to break up with him.
When Lisa learns Springfield's anthem was stolen from another town she writes a replacement. Meanwhile, Homer learns the meaning of "Wide Pride".
Chief Wiggum is mistakenly delivered a military jet pack, which he gleefully accepts and uses in order to fight crime. But when the jet pack crashes into the church, the congregation, led by Marge, must resort to gambling and counting cards in order to collect money to repair the church.
When Duffman (guest voice Stacy Keach) undergoes hip replacement surgery and retires, the company sets up a reality show competition to find his replacement. Homer wins the competition, and because the job requires him to stay sober, he learns that beer isn't as necessary as he thought to have a good time.
Bart lies about being involved in a bulldozer crash, so Marge decides to follow him everywhere until he confesses. Meanwhile, Homer ignores Santa’s Little Helper when Flanders gets a new dog.
When Bart disrespects Homer's authority, Homer makes a point to try his hand at parenting. This proves fruitless, so Marge signs them up for the Relation Ship, where they'll resolve their conflicts at sea. Meanwhile, Marge is in charge of Homer's fantasy football league, but manages to win despite being the underdog.
When Marge gets fed up with the thankless duty of chauffeuring her kids around, she begins working as a driver for a transportation app service. Meanwhile, Homer bankrupts Moe when he watches over the bar for one night, which forces Moe to take a temporary job as a janitor at the nuclear plant.
When Homer gets an old film roll developed, the family takes a trip down memory lane to see the origins of how Bart and Lisa first started fighting with each other.
The Simpsons learn about Grampa’s days in the Air Force, and Bart takes up smoking to impress Milhouse’s Dutch cousin, Annika.
After Bart gets bullied at the school dance, Marge convinces the town to pass anti-bullying legislation. Homer then gets arrested and sent to rehab for bullying Ned Flanders, only to subsequently leave rehab as a hero.
When a modernized Springfield Elementary has a technical meltdown, Lisa transforms it into a Waldorf school. Meanwhile, Groundskeeper Willie becomes the coach of the mathletes.
During a trip to "Dizzneeland" the Simpsons board the wrong ride, Rocket To Your Doom, and are transported through the galaxy to Kang and Kodos' home planet, where they are held captive at the local zoo and the inhabitants decide to eat Homer.
Bart will be visited by many of his past girlfriends. Zooey Deschanel, Anne Hathaway, Sarah Silverman, Natalie Portman, and Sarah Michelle Gellar will guest star, reprising their roles as Mary Spuckler, Jenny, Nikki McKenna, Darcy, and Gina Vendetti.
Marge and Homer go back to ancient Mayan times and learn that the world will come to an end in 2012; and a glitch in the Springfield Subatomic Supercollider wreaks havoc on the city.
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 and Marge try to track down Grampa by following clues from his past, while Lisa struggles to resist gambling away her college fund.
Homer is shocked to discover that his bowling teammate, Dan Gillick (guest voice Steve Carell), is an accountant for Fat Tony (guest voice Joe Mantegna) and his mob. Meanwhile, Lisa adds insects to her vegetarian diet after passing out during a saxophone solo, but starts questioning her decision when bugs start pleading for mercy in her dreams.
Homer wins a MyPad at the school auction and quickly becomes obessed with it. He goes into a funk when he breaks it, until Ned Flanders discovers a miracle tree in the Simpsons' back garden.
A "cool family" from Portland moves in next door to the Simpsons. Homer is desperate to befriend them, while Marge is skeptical, worried about some of their more eccentric qualities.
A distracted Homer allows Santa's Little Helper to get loose, and the family are furious with his unconcerned attitude, until Grandpa shines some light on things by telling them the story of Homer's childhood pup, Bongo.
With the end of the world looming, Homer decides to join an off the grid group of survivalists who've set up a secret sanctuary outside of Springfield to prep for the apocalypse. However, a skeptical Marge is suspicious of the plans.
Springfield Elementary must depend on Bartificial intelligence when it's threatened with closure after doing poorly on standardized testing, and since Bart's the only one who missed the exam, it's up to him to raise the average grade to save the school.
A tornado inspires Homer and Marge look for guardians for the kids in case something bad happens; Marge questions the motives of potential guardians.
Bart's dream girl, Mary Spuckler, comes to town, but his failure to pay her enough attention is having a negative impact on their relationship. Meanwhile, Homer once again runs afoul of Marge and lands in the doghouse.
Bart and Milhouse explore the perks of being an adult when a shaving accident leaves Milhouse looking exactly like his father, Kirk. Marge fears Maggie is slipping into the clutches of children's television.
Homer's obsession with the TV show "Storage Battles" leads the family to discover Grampa's past identity as "Gorgeous Godfrey," the most feared, villainous man in pro-wrestling history. What's more amazing, he was once revered by a young Montgomery Burns, who now convinces Grampa to get back in the ring. But when Bart starts to adopt some of his grandfather's former cheating ways, Grampa must reconcile with his past before it's too late.
When Flanders' parents prove to prefer Homer's company to his, he jealously responds by giving Homer a shiner, and then tries desperately to reconcile with him. Meanwhile, Lisa is at a loss to understand why a new substitute teacher is bullying her for no obvious reason.
Lisa comes to her brother's defense when Bart is accused of an Easter prank involving the school marching band, the horn section and some rotten eggs. Meanwhile, Mr. Burns seizes the opportunity to realize his lifelong ambition to become a superhero.
Homer's behavior once again lands him in hot water with Marge and he needs to fathom a way to save his marriage, while a dose of "A Streetcar Named Desire" drives Milhouse to affect a Marlon Brando-esque bad-boy demeanor in an effort to impress Lisa.
Homer is recruited to be a deacon by the cutting-edge new pastor. The dry cleaner mistakenly switches Marge's wedding dress for one of Krusty's costumes.
Moe is flying high after venture capitalists take a shine to his homemade whiskey, while Grampa, after injuring himself babysitting Bart, decides he'd rather be looked after by his grandson than be at the nursing home. Also, Lisa voices her displeasure at a hologram of music legend Bleeding Gums Murphy, and Sonny Rollins (as himself) shows up to ask her to stop all that jazz about boycotting a record label.
Marge encourages Bart to explore his creative side, and his initial reticence quickly subsides when she hires Slava’s beautiful daughter, Zhenya, as his new piano instructor. Homer is shocked when he loses the last two hairs on his head, and employs a wide variety of headgear to try and keep his new found baldness a secret from Marge.
Homer, Moe, Lenny and Carl win $200,000 in the Springfield Lottery. But when Carl takes off to Iceland – his homeland – with all the winnings, the guys embark on a Nordic adventure to get the cash back.
Marge mistakes Sassy Madison, a swinging-type website, for Dolly Madison, a cupcake site, not realizing it’s a destination for married people seeking liaisons. On the site, she meets the charming Ben, who pursues her after they learn they share mutual love of TV series Upton Rectory. Meanwhile, Bart and Homer obtain a small steam train from the now closed down Itchy & Scratchy Land.
A parody of "Homeland". Homer starts to act strangely polite after returning from a nuclear power plant convention, prompting a suspicious Lisa to ask an intense FBI agent named Annie to help her solve this mystery.
In "Oh The Places You'll D'oh," the first of three spine-tingling stories, Homer rides around Springfield wreaking havoc as "The Fat in The Hat" in a rhyming Dr. Seuss-ian tale. In "Dead and Shoulders," Bart is beheaded during a kite accident, his head is attached to Lisa's body and they must live together as one. The final terrifying tale, "Freaks no Geeks," features Mr. Burns' traveling circus, The Burnsum and Bailey Circus, which has stopped in Springfieldland in the 1930s. Trapeze artist Marge and Strong Man Homer are performers and things go awry when circus freak Moe starts to make advances towards Marge.
Kent Brockman has decided that local news has been a real mistake and a terrible career move for him.
Marge encourages Homer to cross an item off an old to-do list by inviting an old pen pal to visit; Lisa institutes an honor code at school.
Homer delivers a baby in an elevator. When the mother names the child Homer Jr., he develops a deep emotional bond with the kid. Lisa is recruited by the cheerleaders of the local pro football team.
Lisa finally makes a new best friend, Isabel Gutierrez, only to discover that she's a Republican and her opponent in the campaign for second grade class representative.
Principal Skinner promises the students that the best-behaved among them can take a ride in a submarine. When Skinner gives all the kids a clean slate, Bart believes even his own past indiscretions will be forgotten if he doesn't get into any more trouble. Meanwhile Lisa tries to help a cash-poor Krusty to turn things around by suggesting he sell the foreign rights to his shows.
Springfield is inundated with holiday revelers after the nuclear power plant springs a radiation leak, causing snow to fall all over town. When the tourists drive up Christmas shopping prices, Marge opens up the Simpsons' house to boarders.
Homer becomes annoyed with movie theaters, so Bart teaches him how to download movies illegally. Homer is delighted with his discovery of free movies until he's caught for piracy.
Comic Book Guy realizes his comics are nothing if he can't share them with anyone. Then he meets Kumiko, a Japanese woman writing an autobiographical manga, and he seeks out Homer's advice on how to date her, ending happily for everyone.
Mr. Burns gives high-tech eyeglasses to all of his employees in order to spy on them. Homer loves the enhanced reality of his new gadget - that is, until Marge tries them on and he finds out she's seeing a marriage counselor. Meanwhile, Bart takes a stand against buying Nelson a Valentine's Day card, despite buying one for every other kid in class, and Nelson delivers him an ultimatum: find him the best Valentine's Day gift ever or be fed to the classroom electric pencil sharpener.
Bart encounters Diggs, a strange older boy with a passion for falconry, among other things.
On a research trip, Lisa is shocked to discover that Sideshow Bob is now the chief scientist at a massive chemical engineering company, but her fears are allayed as she becomes enamored with his likeminded appreciation of high-culture. Meanwhile, Marge's attempt to preach healthy sexual practices to a teen church group goes awry.
When the retirement home closes, Marge invites Grampa and two other elderly folks to stay at the Simpsons' house. Nelson becomes Bart's friend, after Bart defends him for wearing used underwear.
After Lisa's new pet guinea pig destroys the Simpsons' living room art, Marge falls in love with a beautiful painting at the Van Houten's yard sale, which Homer snaps up for 20 bucks. But, when Lisa reveals it's by a famous early 20th century painter and could be worth $100,000, Marge and Homer face a dilemma: split the money with the Van Houtens, or keep the cash as a "cushion" for their kids.
The Simpsons go to South America to watch the 2014 FIFA World Cup. Homer becomes a referee and runs into trouble when local gangsters pressure him into match-fixing.
Lisa dates a boy named Luca$ Bortner, who wants to be a competitive eater. Marge becomes concerned that Lisa is trying to marry a boy that's just like Homer. Bart helps Snake Jailbird break out of jail and starts to receive gifts from him, making Milhouse jealous.
Set in the future, Homer has a new clone for every time he dies. Lisa is married to a zombie version of Milhouse, while Bart deals with custody issues with his ex-wife, Jenda. Each defines what love means to them.
When Bart develops powers that help Springfield couples conceive, the mafia kidnaps Homer and Bart in hopes of birthing a thoroughbred race horse.
Homer wakes up in a world where his family and everyone in Springfield are made of Lego, and he must "put together" how he got there, and figure out how to get home before he's stuck in a world of bricks forever.
Marge swears off befriending any more couples when Homer offends their charming new British neighbors, but when Lisa declares that she, too, doesn't need friends, Marge reconsiders.
Bart is plagued with guilt when he wins the annual "last day of school" race around Springfield Elementary, with assistance from Nelson, who beats up frontrunner Milhouse. Meanwhile, Homer tries to bring back the annual 4th of July fireworks display after it's canceled for budget reasons.