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
The Science Fiction Radio Show fiction and fantasy. Included among the new class of interviewees were movie critic Roger Ebert; Muppet creator Jim Henson; agent Richard Curtis; Underwood Miller publishers Chuck Miller and Tim Underwood; award-winning science fiction and fantasy artist Michael Whelan; and scientist Robert Forward. In the spring of 1982 "The Science Fiction Radio Show" was back on the air, this time nationwide in its new syndicated format. The show’s remaining producers—Carson, Vernon, and Lane—formed the final team that carried the show through to its termination in 1983. Vernon and Lane conducted interviews and wrote the script for each show; Carson extracted selections