The Simpsons Season 38 will premiere on Fox on September 27, 2026. Produced by 20th Television and Gracie Films, this is the second season ordered by Fox.According to Variety, The Simpsons Season 38 will kick off with the episode titled The Children's Book Job. The premiere episode will feature Emma Thompson, who will voice Constance Clavinger, a popular children's book author. Apparently, Constance is in town to save Springfield Elementary from shutting down.However, Constance gets drunk at the airport bar, and Homer struggles to bring her to school. On their way to school, they go on a mini adventure as Homer tries to get her to the school book fair organised by Marge, the new PTA President.Here are some more spoilers for The Simpsons Season 38.The Simpsons Season 38 spoilers: Emma Thompson voices Constance Clavinger in The Children's Book Job View this post on Instagram Instagram PostThe premiere episode, titled The Children's Book Job, features guest voice star Emma Thompson. Emma Thompson voices a saucy British author, Constance Clavinger, who is in town to help Springfield Elementary. However, Homer struggles to get a drunk Constance to the school book fair. However, it turns into a mini adventure for them.In the premiere episode of The Simpsons Season 38, Colin Jost appears as himself, who reads his children's book to the unbothered Springfield Elementary audience.According to Variety, Homer dreamt that Springfield's residents had turned into characters from children's books like Don't Let the Pigeon Drive the Bus, Diary of a Wimpy Kid and Captain Underpants, to name a few.Executive producer Matt Selman called the premiere episode a love letter to the world of children's books. It is written by Dan Vebber and directed by Matthew Nastuk. The logline reads:"Marge hopes to save Springfield Elementary by inviting a reclusive British children’s author (guest star Emma Thompson) to appear at the school’s book fair. But Homer botches his assignment of picking the author up at the airport, and the drunken pepper pot leads him on a desperate wild chase to get her to the school on time."The Simpsons Season 38 spoilers for Diary of a Chimpy KidThe second episode of the season, titled Diary of a Chimpy Kid, will follow Bart and Lisa, who decide to adopt a baby chimp. Selman told Variety that Homer watches a YouTube video to know what harm adult chimps could do to their owners. Homer finds out that adult chimps are capable of hurting their human owners, including biting on sensitive parts.Thus, Homer becomes terrified of the baby chimp. Elsewhere, Bart and Lisa try to co-parent the chimp.Speaking about The Simpsons Season 38 Episode 2, Selman told Variety,"There’s some genital mutilation comedy in that one, but I am very pleased with it!”The Simpsons Season 38 spoilers: The Kosmic Cruiser, Testing 1-2-3, and moreA snippet from The Simpsons trailer (Image Via YouTube/@disneyplus)In another episode titled The Kosmic Cruiser, Lisa and Bart get trapped in a deserted immersive theme park.In another chapter of The Simpsons Season 38 titled "Testing 1-2-3", the episode will take the viewers to the world of neurodiversity.Treehouse of Horror XXXVII View this post on Instagram Instagram PostThe Treehouse of Horror XXXVII of The Simpsons Season 38 will drop on October 25, 2026. The episode will feature Simpsons-style versions of characters from The Nightmare Before Christmas. This episode is a collaboration with the Jack in the Box fast food joint that offers the Munchie Meal of Horror.According to Selman, one segment is inspired by Holly Gramazio's novel, 'The Husbands'. In this segment, Homer will go to the shed and will turn to a different husband for Marge. In this segment, Tiffany Haddish will voice Marge's best friend in one of her brand-new husband realities. According to Selman, Haddish's character will lecture Marge about dating, and it will be in a stand-up format.In the Freaky Friday meets Pet Sematary segment, Homer will accidentally kill Bart and the dog and bury them. They return with their bodies switched. In the third segment, teen versions of Bart and Lisa find that evil versions of Patty and Selma are trapped in murderous, scary films. Meanwhile, Homer goes missing. The Simpsons Season 38 will premiere on Sunday, September 27, 2026, at 8 PM ET on Fox. The episode will be available to stream on Hulu the following day.Also Read: The Simpsons is leaving its iconic production offices after 35 yearsFollow SoapCentral for more such updates.