The Supernatural pilot was directed by the showrunner of Game of Thrones.
David Nutter . In 2015 , he received a Primetime Emmy Award for Outstanding Directing for a Drama Series , for his work on the HBO series , Game of Thrones . Pilot (Supernatural) . It premiered on The WB on September 13 , 2005 , and was written by series creator Eric Kripke and directed by David Nutter .