Science fiction fandom other groups including LGBT communities, libertarians, neo-pagans, and space activist groups like the L5 Society, among many others. Some groups exist almost entirely within fandom but are distinct and cohesive subcultures in their own rights, such as filkers, costumers, and convention runners (sometimes called "SMOFs"). Fandom encompasses subsets of fans that are principally interested in a single writer or subgenre, such as Tolkien fandom, and ("Trekkies"). Even short-lived television series may have dedicated followings, such as the fans of Joss Whedon's "Firefly" television series and movie "Serenity", known as Browncoats. Participation in science fiction fandom often overlaps with other similar
Joss Whedon's unrealized projects a working story for the movie. Joss Whedon's unrealized projects The following is a list of unproduced Joss Whedon projects in roughly chronological order. During his long career, American film director Joss Whedon has worked on a number of projects which never progressed beyond the pre-production stage under his direction. Some of these projects, are officially cancelled or fell in development hell. Many of Whedon's unrealized projects were cancelled spin-offs of Whedon's hit show "Buffy the Vampire Slayer", so to see a complete list of these, go to Undeveloped "Buffy the Vampire Slayer" spinoffs. On June 25, 1993, "Variety" reported