Lisa discovers Marge's vintage clothes from the 90's and is welcomed into the school's elite fashion club.
Homer gets Superintendent Chalmers a job at the power plant; Chalmers discovers huge mutated snails that produce valuable slime, launching his new career.
The town is menaced by a mysterious murdering monster from out of the sewers; Krusty has a demonic special guest on his live Halloween special; Springfield's post-apocalyptic future.
Marge turns to a Man Camp to save the men of Springfield from themselves.
Homer and Marge can't decide if Bart is naughty or nice.
When Bart becomes Professor Frink's lab assistant, the Simpsons are thrown into a world of tech billionaires determined to live forever.
Bart runs against Mayor Quimby's son for student council president; Lisa learns troubling secrets about the Quimby clan -- and about the Simpsons.
After a mysterious buyer purchases every ticket for the K-pop concert Lisa wants to go to, the Simpsons have to figure out the identity of this evil ticket reseller.
Patty and Bart team up for the ultimate prank -- getting Homer declared legally dead; to their chagrin, Homer loves being officially dead -- which leads to Patty and Selma having a huge fight and Patty moving away to "Palm Springfield."
When Principal Skinner discovers that one of his students is a runaway who has been living in the school library, he has to take the snarky, difficult kid into his home and is forced into a role he never expected or wanted -- being a parent.
Set in the near future, Marge is competently coping with the hormonal onslaught hitting her now teenage kids.
Homer revitalizes Bumblebee Man's career when he becomes his secret stuntman.
When Marge tries Homer's new high-tech glasses on, he learns she's seeing a marriage counselor; Bart refuses to buy Nelson a Valentine's Day card.
The Simpson family reminisces about lost loves when Marge gets the family thinking about romantic fantasies.
The Simpsons play Cupid for Principal Skinner and Marge's sister.