This page is an official policy on the Simpsons Wiki. It has wide acceptance among editors and is considered a standard that everyone should follow. Except for minor edits, please make use of the discussion page to propose changes to this policy.

The Simpsons feature many episodes which are not considered to be official in The Simpsons timeline, and as such the information is regarded as non-canon. Any article about a character, place or object which only appears in these episodes, or sections in an article about these events, should have the {{Noncanon}} template added to it. Below is a list of episodes, games and comics considered non-canon.

Episodes

• Treehouse of Horror Series
  • Treehouse of Horror IV
  • Treehouse of Horror V
  • Treehouse of Horror VI
  • Treehouse of Horror VII
  • Treehouse of Horror VIII
  • Treehouse of Horror IX
  • Treehouse of Horror X
  • Treehouse of Horror XI
  • Treehouse of Horror XII
  • Treehouse of Horror XIII
  • Treehouse of Horror XIV
  • Treehouse of Horror XV
  • Treehouse of Horror XVI
  • Treehouse of Horror XVII
  • Treehouse of Horror XVIII
  • Treehouse of Horror XIX
  • Treehouse of Horror XX
  • Treehouse of Horror XXI
  • Treehouse of Horror XXII
  • Treehouse of Horror XXIII
• The Simpsons 138th Episode Spectacular
• The Springfield Files
• The Simpsons Spin-Off Showcase
• The Principal and the Pauper
• Homer Simpson in: "Kidney Trouble"
• Simpsons Bible Stories
• Missionary: Impossible
• Behind the Laughter
• The Great Money Caper
• The Computer Wore Menace Shoes
• Trilogy of Error
• Gump Roast
• All's Fair in Oven War
• Simpson Christmas Stories
• 24 Minutes
• That '90s Show
• Take My Life, Please
• Gone Maggie Gone
• Rednecks and Broomsticks
• The Bob Next Door
• Moms I'd Like to Forget
• The Great Simpsina
• Moe Goes from Rags to Riches
• The Man Who Came To Be Dinner
• The stories/dreams in:
  • Treehouse of Horror
  • Treehouse of Horror II
  • Treehouse of Horror III
  • Simpsons Tall Tales
  • Tales from the Public Domain
  • Margical History Tour
  • The Wettest Stories Ever Told
  • Revenge is a Dish Best Served Three Times
  • Love, Springfieldian Style
  • Four Great Women and a Manicure
  • The Fight Before Christmas
• Predicted futures in:
  • Lisa's Wedding
  • Bart to the Future
  • Future-Drama
  • Holidays of Future Passed

Games

All video games featuring Treehouse of Horror or other non-canon characters are considered non-canon.

• Bart vs. The Space Mutants
• Bart's House of Weirdness
• Bart vs. The Juggernauts
• Krusty's Fun House
• Bart's Nightmare
• Bart & the Beanstalk
• Virtual Bart
• The Simpsons Cartoon Studio
• The Simpsons Night of the Living Treehouse of Horror
• The Simpsons: Hit and Run
• The Simpsons Game

Books

Comic Stories

• The Amazing Colossal Homer
• Bart Simpson's Creepy Crawly Tales: The Collector