A fan film is a film or video inspired by a film, television program, comic book, book, or video game created by fans rather than by the source's copyright holders or creators. It is a form of fan fiction. Fan filmmakers have traditionally been amateurs, but some of the more notable films have actually been produced by professional filmmakers as film school class projects or as demonstration reels. Fan films vary tremendously in quality, as well as in length, from short faux-teaser trailers for non-existent motion pictures to full-length motion pictures. Fan films are also examples of fan labor and the remix culture. Closely related concepts are fandubs, fansubs and vidding which are reworks of fans on already released film material.

History The earliest known fan film is Anderson 'Our Gang,Young, Clive (2008) Homemade Hollywood: Fans Behind The Camera, Continuum Books, New York / London which was produced in 1926 by a pair of itinerant filmmakers. Shot in Anderson, South Carolina, the short is based on the Our Gang film series; the only known copy resides in the University of South Carolina's Newsfilm Library. Various amateur filmmakers created their own fan films throughout the ensuing decades, including a teenaged Hugh Hefner, but the technology required to make fan films was a limiting factor until relatively recently. In the 1960s UCLA film student Don Glut filmed a series of short black and white "underground films", based on adventure and comic book characters from 1940s and 1950s motion picture serials. Around the same time, artist Andy Warhol produced a film called Batman Dracula which could be described as a fan film. By the 1970s, the popularization of science fiction conventions allowed fans to show their films to the wider fan community.

In the 1960s, 1970s, and 1980s, there were many unofficial foreign remakes of American films that today may be considered fan films, such as Süpermenler (Superman), 3 Dev Adam, (Spider-Man), Mahakaal (A Nightmare on Elm Street), and Dünyayı Kurtaran Adam (Star Wars).

Most of the more prominent science fiction films and television shows are represented in fan films; these include Star Wars (see Fan films based on Star Wars), Star Trek (see Star Trek fan productions), Doctor Who (see Doctor Who spin-offs), and Buffy the Vampire Slayer (see Unofficial Buffy the Vampire Slayer productions). Because fan films generally utilize characters and storylines copyrighted and trademarked by the original filmmakers, they are rarely distributed commercially for legal reasons. They are exhibited by various other methods, including showings at comic book and science fiction conventions, and distribution as homemade videos, ranging from VHS videocassettes to CD-ROMs and DVDs.

A notable fan film is also Raiders of the Lost Ark: The Adaptation, made as a shot-for-shot remake of the 1981 Indiana Jones adventure film Raiders of the Lost Ark. Using the original film's screenplay and score, it principally starred and was filmed, directed, and produced over a seven-year period by three Mississippi teenagers (Chris Strompolos, Eric Zala, and Jayson Lamb). In 2015, the documentary Raiders!: The Story of the Greatest Fan Film Ever Made was released. The film follows three childhood friends, Eric Zala, Chris Strompolos, and Jayson Lamb, from 1982 to 1989 as they set out to make their fan film of Raiders fan film.

In 2012, two Arizona-based teenagers, Jonason Pauley and Jesse Perrotta, made a live action shot for shot remake of the 1995 animated film, Toy Story, with the toy characters animated through stop motion, puppetry, and live actors for the human characters, while using audio from the film. It received a positive response from critics and the original filmmakers.

Indian-born American filmmaker Adi Shankar started producing a series of satire films based on popular franchises and comic book characters, before evolving into a full-fledged entertainment brand. His films includes The Punisher: Dirty Laundry with Thomas Jane reprising his role from The Punisher and Power Rangers: Unauthorized, a dark reimagining of the Mighty Morphin Power Rangers series.

Filmmaker Sandy Collora gained much notoriety in the early 2000s for a series of fan films he produced featuring DC Comics heroes Batman and Superman. Batman: Dead End premiered at the 2003 San Diego Comic-Con, while World's Finest was prevented from showing in 2004 due to copyright claims from Warner Bros.

Some fan film productions achieve significant quantity and or quality. For instance, the series Star Trek: Hidden Frontier produced 50 episodes over seven seasons – compared to only 34 episodes for the 1970s sci-fi series Battlestar Galactica and Galactica 1980 combined.

Star Trek: New Voyages started as a fan production, but has since attracted support from several crew and cast members from the different Star Trek series, as well as a wide audience.

A similar fan production, Star Trek Continues, produced by Vic Mignogna, have been well received by critics, who praised the quality of the production and stated that the show set a new standard for Star Trek fan films, while highlighting the resemblance of the episodes with those of the original series.

Star Wreck: In the Pirkinning, a Finnish feature-length spoof of both Star Trek and Babylon 5, attracted over 4 million downloads and has been released on DVD in several countries, making it possibly the most successful Finnish movie-production to date.

The Lord of the Rings fan films Born of Hope and The Hunt for Gollum debuted at Ring*Con and the Sci-Fi-London film festival (respectively) in May 2009 and was released on the internet.

Ghostbusters: The Video Game features a small nod to the fan film Return of the Ghostbusters by way of a drawing posted on the wall in the Ghostbusters firehouse headquarters. The child's drawing of a Ghostbuster is signed by a fictional character created in the fan film.

On September 27, 2009, Italian fan film Metal Gear Solid: Philanthropy was released over the internet, a 10,000 Euro production based on Hideo Kojima's Metal Gear Solid video game series.

Dan Poole's stunt work in his fan film The Green Goblin's Last Stand garnered recognition and an endorsement from Spider-Man co-creator Stan Lee.

John F. Carroll's Masters of the Universe trilogy began with The Wizard of Stone Mountain in 2011 and has premiered at conventions in Germany and the US. Other films in the trilogy will be released on the internet in 2013."Master of the Universe: The Fan Trilogy" . The Wizard of Stone Mountain. February 5, 2013.

Iowa brothers Morgan and Mason McGrew spent eight years recreating the 2010 film Toy Story 3 in stop motion. Titled Toy Story 3 in Real Life, the film was shot using iPhones and was uploaded to YouTube on January 25, 2020. The shot-for-shot remake uses the film's original audio. According to Screen Crush, Pixar's parent company Walt Disney Studios gave the McGrews permission to release the film online.

Legality Due to copyright protection, trademark protection and limited fair use provisions, fan films made without official authorization might exist in a legal grey area.

Still, fan films often operate under the radar or IP owners turning a blind eye as long they are non-commercial activities.

Also, lawmakers strengthened fan activities in recent years by extending fair use cases; for instance, in 2012 Canada's Copyright Modernization Act explicitly added an exemption which allows non-commercial creation of fan film material.: "Canada is one of a few countries, if not the only one, to have introduced into its copyright law a new exception for non-commercial user-generated content. Article 29 of Canada's Copyright Modernization Act (2012) states that there is no infringement if: (i) the use is done solely for non-commercial purpose; (ii) the original source is mentioned; (iii) the individual has reasonable ground to believe that he or she is not infringing copyright; and (iv) the remix does not have a "substantial adverse effect" on the exploitation of the existing work." A 2013 US court ruling Lenz v. Universal Music Corp. acknowledged that creative fan activities on copyrighted works might fall under fair use and requested that copyright holders check and respect fair use before doing DMCA take down notices.: "in 2013 a district court ruled that copyright owners do not have the right to simply take down content before undertaking a legal analysis to determine whether the remixed work could fall under fair use, a concept in US copyright law which permits limited use of copyrighted material without the need to obtain the right holder's permission (US District Court, Stephanie Lenz v. Universal Music Corp., Universal Music Publishing Inc., and Universal Music Publishing Group, Case No. 5:07-cv-03783-JF, January 24, 2013).[...] Given the emergence of today's "remix" culture, and the legal uncertainty surrounding remixes and mash-ups, the time would appear to be ripe for policy makers to take a new look at copyright law."

Authorized fan films The popularity of fan productions brought about by affordable consumer equipment and animation programs (Prosumer equipment) with the digital revolution, along with the ease of distribution created by the Internet and Web 2.0, has prompted several studios to adapt their official policies and programs regarding fan films.How Disney learned to stop worrying and love copyright infringement on salon.com by Andrew Leonard (2014)

The highest profile of these programs has been Lucasfilm's Official Star Wars Fan Film Awards, launched in 2000. The awards formerly permitted only documentary, mockumentary, and parody entries, while prohibiting serious fan fiction. However, this restriction was lifted for the 2007 awards. Lucasfilm's limited support and sanction of fan creations is a marked contrast to the attitudes of many other copyright holders.

Some copyright holders opened up for the idea of fan films: DC Comics was known to actively discourage the creation of fan movies in the 1990s.Superman The Super 8 Movie Stills - fancinematoday, September 10, 2008 In 2008, however, DC Comics changed its tune when its president, Paul Levitz, gave provisional permission to fan filmmakers, stating definitively, "We're against anything that monetizes our assets and our copyrights without our permission. We are not against things where people use our assets if they don't do anything monetarily with them."DC Comics Officially OKs Fan Films - fancinematoday.com, April 24, 2008 Similarly, Paramount took a more welcoming stance towards fan filmmakers in the 2000s.Suellentrop, Chris. "To Boldly Go Where No Fan Has Gone Before". Wired. December 2005

Unlike many American TV shows, the British series Doctor Who allowed its writers to retain the rights to characters and plot elements that they created - most famously with Terry Nation's Daleks. While the BBC has never licensed the character of the Doctor for use in fan films, a number of the writers have consented to allow the monsters and supporting characters they created to be used in direct-to-video productions (see Doctor Who spin-offs).

The creators of Red Dwarf sponsored a fan film contest of their own in 2005, inspired by an earlier fan film production in 2001 called Red Dwarf - The Other Movie, with a fairly wide remit ranging from fictional stories set in the Red Dwarf universe to documentaries about the show and its fandom. The two winning shorts, Attack of the Giant Hand Monster and The Movie: Yeah, No, Yeah, No, were featured in their entirety as bonus features on the Series VIII DVD release, along with a montage of clips from the runner-up entries and a short intro clip from Red Dwarf - The Other Movie. This made them among the first fan films to be commercially released by a property's original creators.

Non-authorized fan films