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
Out There (1951 TV series) Out There (1951 TV series) Out There was a short-lived science fiction television program broadcast on Sundays at 6:00 p.m. EST on CBS Television from October 28, 1951 through January 13, 1952. It was one of the first science fiction anthology series, and one of the first shows to mix filmed special effects with "live" action. It only lasted twelve half-hour episodes before being cancelled. The awkward time slot may have led to its failure. In its short run, the program featured episodes adapted from stories by (and in some cases written by) authors including Robert A. Heinlein, Ray Bradbury,