Mathlete's Feat
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.
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More from this season
S26 E1
Clown in the Dumps
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.
S26 E2
The Wreck of the Relationship
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.
S26 E3
Super Franchise Me
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.
S26 E4
Treehouse of Horror XXV
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.