Homer reunites the old bowling team to cheer up Moe, but they must compete with arrogant millionaires. Lisa and Marge try to teach Bart that money isn't everything.
Grampa gets a hearing aid and finally hears what everyone has been saying about him. Principal Skinner discovers that his mother has kept a secret from him.
A mid-life crisis has Homer taking up the bass guitar and forming a cover band with other dads. But the band's success is threatened by the breakout potential of one of its members.
After Tommy Chong walks away from the Cheech and Chong reunion tour, Homer goes on the road as his replacement. Meanwhile, Marge tries to help a cat lady with her hoarding problem.
A black hole threatens to swallow Springfield, Homer tries to find a source of paranormal activity, and in a parody of 'Back to the Future', Bart tries to prevent Marge from marrying Homer.
When the Simpsons' flight to Gainesville gets re-routed to New Orleans, Lisa is forced to face her failures, and regain her confidence as a jazz musician.
Moe is flying high after venture capitalists take a shine to his homemade whiskey, while Grampa decides he'd rather be looked after by his grandson than be at the nursing home.
Bart is sent to prankster rehab after a clown-mask prank terrifies the town and destroys Krusty's career. A tortured Krusty then tries his hand at serious drama with a regional theatre company.
When the Simpsons attend a STEM conference, Lisa falls for a crooning jazz pianist named Brendan. Meanwhile, Bart discovers that he has an affinity for chemistry.
When Bart goes missing, the town puts together a search party to find him. After almost giving up hope, Sideshow Bob manipulates Milhouse into revealing where Bart is hiding.
Homer gets Flanders a job at the nuclear power plant, and soon learns that no good deed goes unpunished when Flanders starts to insist on carpooling together, and demands more from Homer's work performance.
Fearing that the end of the world is near, Mr. Burns tasks Dr. Frink with testing all of Springfield to determine who is worth saving. The results shake the Simpson family to their core.
Krusty stands trial in The Hague after being tricked into believing he won the Nobel Peace Prize. Marge enrols Lisa for a week in performing arts camp.
Homer becomes the host of a popular political talk show, starts an "everyman" movement in Springfield, and ends up hand-picking Ted Nugent as the Republican nominee for president.
Krusty the Clown is stuck in a rut when the television network pulls his show from the air and his talent agency drops him as a client. But the Simpsons help him get his career back on track.
Bart decides to betray Lisa, leaving him to literally deal with his guilt. Springfield is astonished to learn that Homer is an incredible chess player.
When the town of Springfield discovers that Ned and Edna have secretly gotten married, Marge offers to throw them a congratulatory reception. However, they soon realise that no marriage is perfect.
Homer turns to improv comedy to regain his confidence after an embarrassing blunder at work. Then, Homer will appear LIVE for the first time to answer fan questions.