turn promoted interest in the wide world of anime in general. Anime's first notable appearance at SF or comic book conventions was in the form of video showings of popular anime, untranslated and often low quality VHS bootlegs. Starting in the 1990s, anime fans began organizing conventions. These quickly grew to sizes much larger than other science fiction and media conventions in the same communities; many cities now have anime conventions attracting five to ten thousand attendees. Many anime conventions are a hybrid between non-profit and commercial events, with volunteer organizers handling large revenue streams and dealing with commercial suppliers and professional marketing campaigns. For decades, the majority of science fiction media fandom has been represented by males of all ages and for most of its modern existence, a fairly diverse racial demographic. The most highly publicized demographic for science fiction fans is the male adolescent; roughly the same demographic for American comic books. Female fans, while always present, were far fewer in number and less conspicuously present in fandom. With the rising popularity of fanzines, female fans became increasingly vocal. Starting in the 2000s (decade), genre series began to offer more prominent female characters. Many series featured women as the main characters with males as supporting characters. True Blood is an example. Also, such shows premises moved away from heroic action-adventure and focused more on characters and their relationships. This has caused the rising popularity of fanfiction, a large majority of which is categorized as slash fanfiction. Female fans comprise the majority of fanfiction writers. Science fiction television history and culture U.S. television science fiction U.S. television science fiction has produced Lost In Space, Star Trek, The Twilight Zone, and The X-Files, among others. British television science fiction British television science fiction began in 1938 when the broadcast medium was in its infancy with the transmission of a partial adaptation of Karel Čapek's play R.U.R.. Despite an occasionally chequered history, programmes in the genre have been produced by both the BBC and the largest commercial channel, ITV. Doctor Who is listed in the Guinness World Records as the longest-running science fiction television show in the world and as the "most successful" science fiction series of all time. Other British cult series are Space: 1999 and Red Dwarf. Canadian science fiction television Science fiction in Canada was produced by the CBC as early as the 1950s. In the 1970s, CTV