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
Cliffhangers (TV series) Empire" started with Chapter III, and "The Curse of Dracula" with Chapter VI. The series was cancelled after only 10 episodes were aired, by which point only "The Curse of Dracula" had reached its conclusion. However, one unaired episode (which did air overseas) featured the two concluding chapters of "The Secret Empire" as well as the final part of "Stop Susan Williams." American viewers later got a chance to see the concluding part of "Stop Susan Williams" in the TV-movie "The Girl Who Saved The World" which re-edited the eleven installments into a single two-hour movie ("Curse of Dracula" was