The Flash (The CW)

Flash is a potential television series spin-off of Arrow. The twentieth episode of Arrow ' s second season will act as a backdoor pilot for the series, and should it be popular enough the series will be greenlit.

The series will be written by Greg Berlanti, Andrew Kreisberg and Geoff Johns.

Premise
In the backdoor pilot, Barry Allen is expected to become a superhero named The Flash, and the series will feature The Flash as a superhero (presumably in Central City).