Canon (fiction)

• 1. Introduction

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  Canon (fiction) is the term for the body of works taking place in a particular fictional world that are widely considered to be official or authoritative. It sounds like a simple idea: some stories count, and some do not. But the moment you ask who gets to decide, things get complicated fast.

  In the Star Wars universe, a single executive at Lucasfilm once tracked continuity across an entire Expanded Universe of novels, comics, and games. Then, after a corporate acquisition, decades of approved stories were reclassified overnight as "Legends" and declared non-canonical. Fans who had spent years reading those books found themselves in unfamiliar territory.

  Doctor Who takes almost the opposite approach: its showrunner Russell T Davies has said he simply does not think about canonicity at all. The Simpsons sets aside Halloween every year for Treehouse of Horror specials that openly exist outside its normal continuity. And in literature, continuation novels approved not by the original author but by their estate have been debated for over a century.

  What gives a story official standing? Who inherits that authority when copyright changes hands, when creators die, or when studios reboot beloved franchises? Those are the questions at the heart of how canon works, and the answers are far stranger than most fans expect.

• 2. Who Decides What Counts

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  No consensus exists about who holds the authority to declare something canonical. Copyright holders frequently step in to settle the question on their own terms, especially when they want to erase or retcon material that a setting's original creator once approved. Star Wars is the example the source flags most directly: after Disney's acquisition of Lucasfilm, all Expanded Universe material published before the 25th of April 2014 was reclassified as the non-canonical "Legends" continuity. The exceptions were the first six theatrical films and the 2008 The Clone Wars film and TV series.

  During George Lucas's own tenure, the system was elaborate but consistent. The franchise was divided into discrete tiers. The live-action theatrical films, the 2008 The Clone Wars TV series and its debut film, and statements by Lucas himself sat at the top. Below them, the Expanded Universe was further divided into several descending levels of continuity. When higher-tier material contradicted lower-tier material, the higher tier won. A Lucasfilm creative executive named Leland Chee tracked all of this.

  After the Disney transition, a separate body called the Lucasfilm Story Group took over narrative oversight for all new canonical material. That new material forms a timeline distinct from the original George Lucas canon. The 2009 Star Trek remake offers a comparable case: reboots and re-imaginings make the question of canon especially charged because what the audience accepts as "real" shapes how they experience the new story.

• 3. Gray Areas and Official Silence

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  Star Trek: The Animated Series spent decades in a gray area of canonicity. The official Star Trek website defines the Star Trek canon as the events that take place within the episodes and movies, meaning the live-action television series and films. Tie-in novels, comic books, and video games are explicitly excluded. Yet the same website acknowledges that elements from those excluded sources have been subsequently introduced into the television series, and states plainly that "canon is not something set in stone."

  Russell T Davies, the showrunner associated with the revival of Doctor Who, has made a public choice to sidestep the question entirely. He has explained that he simply does not think about canonicity for the television series or its spin-offs. The makers of the show have broadly followed that stance, generally avoiding pronouncements on the subject.

  Walt Disney Animation Studios occupies a more defined position. The Walt Disney Company treats productions made under that studio as the canonical stories under the Disney brand. Sequels, prequels, and television series produced by other arms of the company, including Disneytoon Studios and Disney Television Animation, are treated as non-canonical relative to the main Disney brand. Books and video games fall outside it as well.

  Anime series adapted from manga present their own recurring variation: when a television adaptation runs out of source material, it often fills the gap with original stories. These extra episodes, commonly called filler episodes, are understood to exist outside the canon of the original manga.

• 4. Copyright, Estates, and Literary Canon

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  Arthur Conan Doyle did not write a story called "The Field Bazaar," but the question of whether it belongs in the Sherlock Holmes canon has been debated anyway. That debate exists in part because, historically, copyright was exercised by the publisher of a literary work rather than by the author. The author's claim on their own creation was legally weaker than it might seem.

  Victor Hugo campaigned to change that. His efforts contributed to the Berne Convention, which introduced what became known as author's rights, shifting legal control toward the creator.

  After authors die, their estates inherit that authority. Those estates have sometimes approved continuation works that the original writer never saw and could not have sanctioned. The Royal Book of Oz, published in 1921, was approved by the original publisher. Porto Bello Gold followed in 1924, approved by an estate. Heidi Grows Up arrived in 1938, also by an estate.

  In film and television the dynamic runs in a different direction: it is common for the original writer to have no say in what is declared canonical. The estate of H. G. Wells authorised Stephen Baxter to write two sequels: The Time Ships in 1995 and The Massacre of Mankind in 2017. Scarlett, a 1991 sequel to Gone with the Wind, was authorised by that novel's estate as well.

  In 2010, the Conan Doyle estate authorised Young Sherlock Holmes and The House of Silk. The Agatha Christie estate authorised The Monogram Murders, a Hercule Poirot sequel by Sophie Hannah, in 2014. P. G. Wodehouse's estate sanctioned not one but two Jeeves continuations: Jeeves and the Wedding Bells by Sebastian Faulks in 2013, and Jeeves and the King of Clubs by Ben Schott in 2018.

• 5. Fanon and the Unofficial Record

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  Fan fiction is never regarded as canonical. That is the formal position, and it is consistent across franchises and platforms. But something interesting happens at the edges of fan communities: certain ideas, interpretations, and invented details become so widely shared and accepted that they take on a life of their own.

  Fans call this phenomenon fanon, a portmanteau built from "fan" and "canon." It describes material that has no official standing but functions within the fan community as though it did. The term also covers a single fan's personal interpretation of a fictional universe, a private canon of one.

  Fanon is not treated as part of any franchise's official record. Yet the Star Trek source noted earlier is worth holding in mind here: elements from non-canonical tie-in novels and comics have, on occasion, been subsequently introduced into the official television series. The boundary between what fan communities adopt and what official creators eventually absorb is not always as firm as the formal definitions suggest.