View source for Season 31

== Episodes ==
{{Table|
{{TH|Picture|width=250px}}
{{TH|#}}
{{TH|Original title}}
{{TH|Original airdate}}
{{TH|Directed by}}
{{TH|Written by}}
{{TH|Prod. code}}
{{TBT|[[File:The Winter of Our Monetized Content promo 3.png|250px]]}}
{{TB|663 - 1}}
{{TB|'''"[[The Winter of Our Monetized Content]]"'''}}
{{TB|September 29, [[2019]]}}
{{TB|[[Bob Anderson]]}}
{{TB|[[Ryan Koh]]}}
{{TB|YABF19}}
{{TCsT|When a video of [[Bart]] and [[Homer]] fighting goes viral, they begin a journey as social media celebrities. Meanwhile, [[Lisa]] battles the school's new industrialized detention system.

'''Guest starring:''' [[John Mulaney]] as [[Warburton Parker]]|7|color=white}}

{{TBT|[[File:Go Big or Go Homer promo 1.png|250px]]}}
{{TB|664 - 2}}
{{TB|'''"[[Go Big or Go Homer]]"'''}}
{{TB|October 6, [[2019]]}}
{{TB|[[Matthew Faughnan]]}}
{{TB|[[John Frink]]}}
{{TB|YABF21}}
{{TCsT|[[Homer]] is demoted to supervising interns, among whom is go-getter millennial [[Mike Wegman|Mike]], a 35-year-old who asks Homer to be his mentor. However, when Homer inspires Mike to start a [[Mike's Slices|business]] of his own, the two find themselves being chased by the [[Springfield Mafia|mob]].

'''Guest starring:''' [[Michael Rapaport]] as [[Mike Wegman]] and [[Joe Mantegna]] as [[Fat Tony]]|7|color=white}}

{{TBT|[[File:The Fat Blue Line promo 1.png|250px]]}}
{{TB|665 - 3}}
{{TB|'''"[[The Fat Blue Line]]"'''}}
{{TB|October 13, [[2019]]}}
{{TB|[[Michael Polcino]]}}
{{TB|[[Bill Odenkirk]]}}
{{TB|YABF22}}
{{TCsT|During the San Castellanta street festival, much of the town realizes their wallets have been pickpocketed. After the state investigator puts the {{ap|Fat Tony|second|wrong man}} in jail, [[Chief Wiggum]] sets out to clear his name, catch the real criminal and show he's still up for police work.

'''Guest starring:''' [[Joe Mantegna]] as [[Fat Tony]], [[Bob Odenkirk]] as [[Mob lawyer]] and [[Jason Momoa]] as {{Ch|Jason Momoa|himself}}|7|color=white}}

{{TBT|[[File:Treehouse of Horror XXX promo 1.png|250px]]}}
{{TB|666 - 4}}
{{TB|'''"[[Treehouse of Horror XXX]]"'''}}
{{TB|October 20, [[2019]]}}
{{TB|[[Tim Bailey]]}}
{{TB|[[J. Stewart Burns]]}}
{{TB|YABF18}}
{{TCsT|The 30th Treehouse of Horror features a demon [[Maggie]], a mission to rescue [[Milhouse]] from another dimension, dead-[[Homer]]'s spirit trying on some new bodies for size and [[Selma]] finally finding love in an unlikely place - the [[Kang|alien]] in the basement.|7|color=white}}

{{TBT|[[File:Gorillas on the Mast promo 1.png|250px]]}}
{{TB|667 - 5}}
{{TB|'''"[[Gorillas on the Mast]]"'''}}
{{TB|November 3, [[2019]]}}
{{TB|[[Matthew Nastuk]]}}
{{TB|[[Max Cohn]]}}
{{TB|YABF20}}
{{TCsT|After a trip to Aquatraz Water Park, [[Lisa]] becomes determined to set free Springfield's most vicious animals in captivity. Meanwhile, [[Homer]] fulfills a lifelong dream of buying a boat, and quickly realizes boat ownership sucks.

'''Guest starring:''' [[Jane Goodall]] as {{Ch|Jane Goodall|herself}}|7|color=white}}

{{TBT|[[File:Marge the Lumberjill promo 1.png|250px]]}}
{{TB|668 - 6}}
{{TB|'''"[[Marge the Lumberjill]]"'''}}
{{TB|November 10, [[2019]]}}
{{TB|[[Rob Oliver]]}}
{{TB|[[Ryan Koh]]}}
{{TB|ZABF02}}
{{TCsT|When [[Marge]] realizes that everyone views her as boring, she takes up competitive lumber-jacking as a hobby (and has a real gift for it). The circuit of competitive timbersports takes her on a month-long retreat to [[Portland]] with her trainer, Paula, whom [[Homer]] worries is going to steal her away forever.

'''Guest starring:''' [[Asia Kate Dillon]] as [[Paula]] and [[Natasha Lyonne]] as [[Sophie]]|7|color=white}}

{{TBT|[[File:Livin' La Pura Vida promo 1.png|250px]]}}
{{TB|669 - 7}}
{{TB|'''"[[Livin La Pura Vida]]"'''}}
{{TB|November 17, [[2019]]}}
{{TB|[[Tim Bailey]]}}
{{TB|[[Brian Kelley]]}}
{{TB|ZABF03}}
{{TCsT|[[Simpson family|The Simpsons]] join other Springfield families on the [[Van Houten family|Van Houten]]'s annual trip to [[Costa Rica]], which they obviously can't afford. While there, [[Homer]] befriends [[Patty]]'s new girlfriend, Evelyn, and [[Lisa]] tracks down the real reason the Van Houtens can go on this trip every year.

'''Guest starring:''' [[Fortune Feimster]] as [[Evelyn]].|7|color=white}}

{{TBT|[[File:Thanksgiving of Horror promo 1.png|250px]]}}
{{TB|670 - 8}}
{{TB|'''"[[Thanksgiving of Horror]]"'''}}
{{TB|November 24, 2019}}
{{TB|[[Rob Oliver]]}}
{{TB|[[Dan Vebber]]}}
{{TB|YABF17}}
{{TCsT|In a special [[Thanksgiving]] edition of "[[Treehouse of Horror series|Treehouse of Horror]]," the [[Simpson family|Simpsons]] are forced to face various Thanksgiving nightmares.<br>1. A-Gobble-Ypto: the first Thanksgiving.<br>2. The Fourth Thursday After Tomorrow: an A.I. mishap.<br>3. The Last Thanksgiving: a dangerous space mission complicated by a sentient cranberry sauce.

'''Guest starring:''' [[Charlie Brooker]] as [[Social rating voice]].|7|color=white}}

{{TBT|[[File:Todd, Todd, Why Hast Thou Forsaken Me? promo 1.png|250px]]}}
{{TB|671 - 9}}
{{TB|'''"[[Todd, Todd, Why Hast Thou Forsaken Me?]]"'''}}
{{TB|December 1, [[2019]]}}
{{TB|[[Chris Clements]]}}
{{TB|[[Tim Long]] and [[Miranda Thompson]]}}
{{TB|ZABF04}}
{{TCsT|In this [[Flanders family]]-focused episode, [[Todd]] blames [[God]] for the death of his mother and rejects his faith - causing great distress for [[Ned]], who sends him to live with the [[Simpson family|Simpsons]] in an attempt to scare him back into God's arms.

'''Guest starring:''' [[Glenn Close]] as [[Mona Simpson]], and [[Marcia Wallace]] as [[Edna Krabappel]] (archive recording)|7|color=white}}

{{TBT|[[File:Bobby, It's Cold Outside promo 3.png|250px]]}}
{{TB|672 - 10}}
{{TB|'''"[[Bobby, It's Cold Outside]]"'''}}
{{TB|December 15, [[2019]]}}
{{TB|[[Steven Dean Moore]]}}
{{TB|[[Jeff Westbrook]] and [[John Frink]]}}
{{TB|ZABF01}}
{{TCsT|[[Sideshow Bob]] gets contracted as this year's [[Springfield Mall|mall]] [[Santa Claus|Santa]]. Meanwhile, someone is stealing all the [[Christmas]] packages off people's front porches.

'''Guest starring:''' [[Scott Bakula]] as {{Ch|Scott Bakula|himself}}, [[Steve Ballmer]] as {{Ch|Steve Ballmer|himself}} and [[Kelsey Grammer]] as [[Sideshow Bob]]|7|color=white}}

{{TBT|[[File:Hail to the Teeth promo 6.png|250px]]}}
{{TB|673 - 11}}
{{TB|'''"[[Hail to the Teeth]]"'''}}
{{TB|January 5, [[2020]]}}
{{TB|[[Mark Kirkland]]}}
{{TB|[[Elisabeth Kiernan Averick]]}}
{{TB|ZABF05}}
{{TCsT|[[Homer]] and [[Marge]] attend [[Artie Ziff]]'s wedding and become quite uncomfortable when they realize that his bride-to-be is a clone of Marge. Meanwhile, [[Lisa]] grapples with the misogynistic implications of the immediate popularity she receives after getting her new Invisalign braces.

'''Guest starring:''' [[Jon Lovitz]] as [[Artie Ziff]] and {{ap|Rabbi|Daddicus Finch}}|7|color=white}}

{{TBT|[[File:The Miseducation of Lisa Simpson promo 5.png|250px]]}}
{{TB|674 - 12}}
{{TB|'''"[[The Miseducation of Lisa Simpson]]"'''}}
{{TB|February 16, [[2020]]}}
{{TB|[[Matthew Nastuk]]}}
{{TB|[[J. Stewart Burns]]}}
{{TB|ZABF06}}
{{TCsT|The [[Horatio McCallister|sea captain]] finds a treasure he's been searching for all his life, but it's taken from him by the townspeople. [[Marge]] convinces the people of Springfield to build a S.T.E.M. school with the money.

'''Guest starring:''' [[John Legend]] as {{Ch|John Legend|himself}}, [[Chrissy Teigen]] as {{Ch|Chrissy Teigen|herself}} and [[Zach Woods]] as [[Zane Furlong]].|7|color=white}}

{{TBT|[[File:Frinkcoin promo 7.png|250px]]}}
{{TB|675 - 13}}
{{TB|'''"[[Frinkcoin]]"'''}}
{{TB|February 23, [[2020]]}}
{{TB|[[Steven Dean Moore]]}}
{{TB|[[Rob LaZebnik]]}}
{{TB|ZABF07}}
{{TCsT|[[Homer]] and [[Marge]] compete to be the topic of [[Lisa]]'s "Most Interesting Person I Know" essay. Lisa instead chooses [[Professor Frink]]. While Lisa works on the essay, Frink develops a cryptocurrency, overtaking [[Mr. Burns]]' title of richest man in Springfield. With new fame, Frink struggles to know who his real friends are, while Mr. Burns schemes to take his title back.

'''Guest starring:''' [[Beanie Feldstein]] as [[Support group therapist]], [[Ed "Too Tall" Jones]] as {{Ch|Ed "Too Tall" Jones|himself}} and [[Jim Parsons]] as {{Ch|Jim Parsons|himself}}|7|color=white}}

{{TBT|[[File:Bart the Bad Guy promo 4.png|250px]]}}
{{TB|676 - 14}}
{{TB|'''"[[Bart the Bad Guy]]"'''}}
{{TB|March 1, [[2020]]}}
{{TB|[[Jennifer Moeller]]}}
{{TB|[[Dan Vebber]]}}
{{TB|ZABF08}}
{{TCsT|[[Bart]] accidentally sees a brand-new [[Vindicators: Crystal War 2: Resurgence|superhero movie]] a month before it comes out... and the world cowers before his newfound plot-spoiling powers. Thus, a new super-villain is born: Spoiler Boy! Can heroic movie executives stop Bart before he succumbs to the temptations of ultimate evil?

'''Guest starring:''' [[Kevin Feige]] as [[Chinnos]], [[Tal Fishman]] as [[Reaction Guy]], [[Taran Killam]] as [[Glen Tangier]], [[Joe Mantegna]] as [[Fat Tony]], [[Anthony Russo]] as [[movie executive 2]], {{ap|Joe Russo|guest star}} as [[Movie executive 1]] and [[Cobie Smulders]] as [[Hydrangea]].|7|color=white}}

{{TBT|[[File:Screenless promo 6.png|250px]]}}
{{TB|677 - 15}}
{{TB|'''"[[Screenless]]"'''}}
{{TB|March 8, [[2020]]}}
{{TB|[[Michael Polcino]]}}
{{TB|[[J. Stewart Burns]]}}
{{TB|ZABF09}}
{{TCsT|[[Marge]] implements a screen time limit for the whole family, all of whom all easily adjust to the new lifestyle. However, Marge realizes that she is the one addicted - not her [[Homer|husband]] and children.

'''Guest starring:''' [[Werner Herzog]] as [[Dr. Lund]], [[Drew Pinsky|Dr. Drew Pinsky]] as [[Dr. Drew|himself]] and [[Dana Gould]] as {{Ch|Dana Gould|himself}}|7|color=white}}

{{TBT|[[File:Better Off Ned promo 6.png|250px]]}}
{{TB|678 - 16}}
{{TB|'''"[[Better Off Ned]]"'''}}
{{TB|March 15, [[2020]]}}
{{TB|[[Rob Oliver]]}}
{{TB|'''Story:''' [[Al Jean]]<br>'''Teleplay:''' [[Joel H. Cohen]] and [[Jeff Westbrook]]}}
{{TB|ZABF11}}
{{TCsT|[[Bart]] bonds with [[Ned Flanders]], which leaves Homer jealous, so he retaliates by mentoring [[Nelson Muntz]]. Then, a heroic act by Homer makes Bart look up to him again.|7|color=white}}

{{TBT|[[File:Highway to Well promo 3.png|250px]]}}
{{TB|679 - 17}}
{{TB|'''"[[Highway to Well]]"'''}}
{{TB|March 22, [[2020]]}}
{{TB|[[Chris Clements]]}}
{{TB|[[Carolyn Omine]]}}
{{TB|ZABF10}}
{{TCsT|When [[Maggie]] goes to pre-school, [[Marge]] decides to get a job to pass the time and ends up working at an upscale weed dispensary. Then, [[Homer]] decides to open his own dispensary that mimics a sketchy drug deal, putting their two businesses at odds.

'''Guest starring:''' [[Kevin Smith]] as {{Ch|Kevin Smith|himself}}, [[Billy Porter]] as Desmond and [[Chelsea Peretti]] as Lauren|7|color=white}}

{{TBT|[[File:The Incredible Lightness of Being a Baby promo 1.png|250px]]}}
{{TB|680 - 18}}
{{TB|'''"[[The Incredible Lightness of Being a Baby]]"'''}}
{{TB|April 19, 2020}}
{{TB|[[Bob Anderson]]}}
{{TB|[[Tom Gamill]] and [[Max Pross]]}}
{{TB|YABF13}}
{{TCsT|[[Marge]] won't let [[Maggie]] play with her new [[Hudson|baby crush]] because of his annoying mother, leading Maggie into a depressive spiral. Meanwhile, [[Mr. Burns]] tasks [[Homer]] with swindling [[Cletus]] out of his helium fortune.|7|color=white}}

{{TBT|[[File:Warrin' Priests Part One promo 3.png|250px]]}}
{{TB|681 - 19}}
{{TB|'''"[[Warrin' Priests: Part One]]"'''}}
{{TB|April 26, [[2020]]}}
{{TB|[[Bob Anderson]]}}
{{TB|[[Pete Holmes]]}}
{{TB|ZABF12}}
{{TCsT|When [[Bode Wright|Bode]], a young charismatic new preacher, comes to town and shakes things up at church, [[Reverend Lovejoy]] investigates his mysterious past.

'''Guest starring:''' [[Pete Holmes]] as [[Bode Wright]]|7|color=white}}

{{TBT|[[File:Warrin' Priests Part Two promo 3.png|250px]]}}
{{TB|682 - 20}}
{{TB|'''"[[Warrin' Priests: Part Two]]"'''}}
{{TB|May 3, [[2020]]}}
{{TB|[[Matthew Nastuk]]}}
{{TB|[[Pete Holmes]]}}
{{TB|ZABF13}}
{{TCsT|In [[Michigan]], [[Reverend Lovejoy]] uncovers the reason why [[Bode Wright|Bode]] left and came to [[Springfield]]. When the congregation learns of his crime, they must decide whether to banish their new priest.

'''Guest starring:''' [[Pete Holmes]] as [[Bode Wright]] and [[Joe Mantegna]] as [[Fat Tony]]|7|color=white}}

{{TBT|[[File:The Hateful Eight-Year-Olds promo 3.png|250px]]}}
{{TB|683 - 21}}
{{TB|'''"[[The Hateful Eight-Year-Olds]]"'''}}
{{TB|May 10, [[2020]]}}
{{TB|[[Jennifer Moeller]]}}
{{TB|[[Joel H. Cohen]]}}
{{TB|ZABF14}}
{{TCsT|[[Lisa]] makes a new friend who loves horses, but then becomes part of a circle of snooty young rich girls. Meanwhile, [[Homer]] takes [[Marge]] on a romantic cruise.

'''Guest starring:''' [[Lili Reinhart]] as [[Bella-Ella]], [[Joey King]] as [[Addy]], [[Madelaine Petsch]] as [[Sloan]], [[Lilly Singh]] as [[Kensey]], [[Camila Mendes]] as [[Tessa Rose]] and [[Weezer]] as [[Sailor's Delight]] and [[Theme Song|end credits]] performer|7|color=white}}

{{TBT|[[File:Way of the Dog promo 4.png|250px]]}}
{{TB|684 - 22}}
{{TB|'''"[[The Way of the Dog]]"'''}}
{{TB|May 17, [[2020]]}}
{{TB|[[Matthew Faughnan]]}}
{{TB|[[Carolyn Omine]]}}
{{TB|ZABF16}}
{{TCsT|After the Simpsons' dog bites [[Marge]], the family explores the tragic past of [[Santa's Little Helper]].

'''Guest starring:''' [[Cate Blanchett]] as Elaine and [[Michael York]] as [[Dr. Budgie]]|7|color=white}}
}}