Now that Dexter: Original Sin is officially here, fans of the lovable serial killer of serial killers are getting to know the man just a litlte bit better. That includes getting to know the larger world and even the universe that surrounds Dexter and the people he loves, lives and works with. Its also seemingly killed off one of the most interesting fan theories that surrounded the original Showtime series. For years, devoted fans of Dexter and Buffy the Vampire Slayer speculated that the two shows might share a universe. Could Dexter Morgan’s Miami coexist with Buffy Summers’ Sunnydale? The idea of a shared universe added an intriguing layer for viewers who reveled in the dark humor and as well as, possible supernatural twists of these iconic series.