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
Nothing in Common (TV series) Nothing in Common (TV series) Nothing in Common is an American sitcom which aired on NBC from April 2 to June 3, 1987. Based on the 1986 film of the same name directed by Garry Marshall and starring Tom Hanks and Jackie Gleason, the series starred Todd Waring as David Basner and Bill Macy as David's father Max Basner. Seven episodes were broadcast immediately after the highly-rated series "Cheers", but failed to retain the strong audience of that series and was cancelled after only seven episodes had aired. Todd Waring later reprised another Hanks role in a 1988 television sequel