Round Three Redux: The Fandoms

Let's try this again, shall we? Primary Fandoms: Either one (or more) writers wrote a story in the fandom in the first two rounds, or somebody requested the fandom for round three. Arrested Development Battlestar Galactica (old or new series) Buffy the Vampire Slayer Castle Charmed Firefly Fringe Harry Potter Heroes Narnia Numb3rs Psych Sanctuary Supernatural Star Wars Secondary Fandoms: ...