The Supernatural pilot was written by a person.
David Nutter ( born 1960 ) is an American television and film director and television producer . Eric Kripke ( born April 24 , 1974 ) is an American television writer , director , and producer . Pilot (Supernatural) . It premiered on The WB on September 13 , 2005 , and was written by series creator Eric Kripke and directed by David Nutter .