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.