 On July 30, 2013, it was announced that "Arrow" co-creators Greg Berlanti and Andrew Kreisberg, and "Arrow" pilot director David Nutter and Geoff Johns, would develop a Flash TV series for The CW.The series would be the origin story of Barry Allen.Kreisberg revealed after the announcement, that Allen would be a recurring character on "Arrow" in three episodes of season 2, all written by Berlanti, Kreisberg and Johns, and that the last of the episodes will act as a backdoor pilot.