What t.v show has a co-creator  and show runner born  who is a  television producer and writer, and novelist, and wrote the fifth episode of the  the second season of HBO's medieval fantasy?
David Benioff David Benioff (born David Friedman; September 25, 1970) is an American screenwriter, television producer and writer, and novelist. He is the co-creator and showrunner of the widely acclaimed award-winning HBO series "Game of Thrones".
Supernatural (season 5) The fifth season of "Supernatural", an American fantasy horror television series created by Eric Kripke, premiered September 10, 2009, and concluded on May 13, 2010, on The CW. Season five regular cast members include Jared Padalecki, Jensen Ackles and Misha Collins, who was promoted to series regular this season. After the conclusion of this season, series creator Eric Kripke stepped down as showrunner. The fifth season was released on DVD and Blu-ray in region 1 on September 7, 2010. The season follows Sam and Dean as they set out to take down Lucifer, whom Sam had inadvertently released from Hell at the end of the previous season.