The Simpson family has a special message for the first UK Stand Up To Cancer event.
When Lisa taunts Bart about his inability to keep a girlfriend, he convinces the family to visit New York City to find Mary Spuckler (guest voice Zooey Deschanel).
Meanwhile, Marge & Lisa try to find culture on a tight budget.
In “The Greatest Story Ever Holed,” the Springfield Subatomic Supercollider creates a black hole that has the potentially to destroy Springfield.
In “UNnormal Activity” the Simpsons install cameras all over the house when things start to go bump in the night and Marge discovers it may have to do with an unholy pact she made some years prior.
In the final thrilling tale, “Bart & Homer’s Excellent Adventure,” Bart travels to 1974 to buy a comic book at cover price but inadvertently disrupts Homer and Marge’s courtship, leading Marge to end up with Artie Ziff.
When Marge gets a new car that only seats 5, she realizes she might want to have a another baby.
Meanwhile, Bart and his friends are determined to find out what secret Lisa is keeping when they discover she sneaks off after school.
After forgetting to visit Grampa, Homer and Marge discover he is missing. Their search leads them to his wife, Rita LaFleur.
Meanwhile, after Homer puts Lisa's college fund on a Poker site, Lisa attempts to double her money.
When Fat Tony is finally caught and forced to serve time... on jury duty he passes power to his account Dan.
Dan comes to Homer for help when he realizes he'll have to 'trim the excess fat' from Tony's personnel.
Meanwhile, Lisa adds insects to her vegetarian diet.
Lisa tries to cheer up a down-in-the-dumps Homer by winning him a “MyPad” at the school auction. But he falls back into a funk when he breaks the magical tablet device – until Ned Flanders discovers a miracle tree in the Simpsons’ backyard with bark that spells the word “HOPE”
Homer wants a younger, hipper image, so he starts hanging out with Terrence (guest voice Armisen) and Emily (guest voice Brownstein), his cool new neighbors from Portland, OR. But Marge finds their trendy parenting methods extreme and Bart quickly realizes their son, T-Rex (guest voice Oswalt), is super-pretentious
When a fire at the retirement home forces Grampa to move back in with the Simpsons, Homer throws out his back on moving day.
While “resting” at home, he gets hooked on the super-addictive tablet game, “Villageville.”
And, in his distraction, he loses the family dog, Santa’s Little Helper. Everyone is angry with Homer for not seeming to care about the missing dog, but Grampa tells them the story of Homer’s long-lost childhood pup, Bongo
Songs: Harry Nilsson -- Me and My Arrow
Homer joins the “Springfield Preppers,” an off-the-grid survivalist group whose leader (guest voice Waits) has set up a top-secret retreat outside of town to prepare for the end of the world. But Marge grows skeptical of the group’s alarmist shenanigans
When Springfield Elementary is threatened with closure because of low standardized test scores, the fate of the school rests on one student who missed the test, and who must raise the average above the minimum threshold: Bart Simpson.
Meanwhile, Homer finds a parking meter at a local dump, and starts deploying it around Springfield to fleece unwitting parkers of their quarters
After surviving a tornado, Marge and Homer seek out guardians for the kids, in case the worst should happen. They first turn to friends and family, including Homer's half-brother, Herb Powell with whom to entrust their kids, but when Bart and Lisa fall in love with a super-cool couple, Mav and Portia, Marge starts to question their potential guardians' true motivations.
Bart’s heart strings are pulled once again when Mary Spuckler (guest star Deschanel) returns to Springfield. But his failure to pay her enough attention strains their relationship. Marge, too, puts Homer in the dog house.
Bart and Milhouse explore the perks of being an adult when a shaving accident leaves Milhouse looking exactly like his father, Kirk.
Also, Homer delves into the hidden magic of Highlights magazine.
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.
Flanders becomes jealous when his laid-back parents start to prefer Homer’s company over his and he faces unbearable guilt after punching Homer in the eye, as he desperately tries to reconcile with him.
Meanwhile, Lisa is distressed by her new substitute teacher (guest voice Tina Fey), who bullies her for no apparent reason
Bart is falsely accused of pulling a prank on Easter involving the school marching band and stuffing rotten eggs in the brass section’s horns, and Lisa must step in as his attorney to defend her brother.
Meanwhile, Mr. Burns attempts to fulfill his lifelong dream of becoming a superhero, Fruit Bat Man
After watching "A Streetcar Named Desire" Milhouse takes on a Marlon Brando-inspired bad-boy persona to attract Lisa. Milhouse seeks then advice from the school counselor. Homer tries to save his marriage by becoming a better man and fulfilling old promises when Marge becomes fed up with his behavior and he seeks advice from his local sushi chef.
Homer becomes a deacon for the reverend in town.
Bart recruits the help of Flanders to find, Reverend Lovejoy, when Homer takes the job too seriously.
Meanwhile, Marge & Lisa try to track down her missing wedding dress.
Moe gains confidence and a new suit when a capitalists wants to invest in his homemade whiskey.
Also, Abe gets injured while babysitting Bart and takes up residence in the basement & Lisa decides to boycott a record label when she discovers a Bleeding Gums Murphy hologram.
Marge encourages Bart to explore his creative side, and his initial reticence quickly subsides when Marge hires Slava’s beautiful daughter, Zhenya, as his new piano instructor.
Meanwhile, Homer is shocked when he loses the last two remaining hairs on his head, and employs a wide variety of headgear to try and keep his newfound baldness a secret from Marge.
Homer, Moe, Lenny and Carl win $200,000 in the Springfield Lottery. But when Carl takes off to Iceland the guys follow in order to track him down and get the money back.
While trying to obtain a cupcake inspired anniversary gift for Homer, she inadvertently signs up for a dating site for married people who want extra marital relations.
When she thinks Homer has forgotten their anniversary, she starts talking to Ben, a man who shares her fondness for British drama.
Meanwhile, Homer hasn't forgotten & decides to remind Marge of their first anniversary by refurbishing an old mall train.