Production begins today on Arrow's fourth season finale. @MericlesHappen @GBerlanti pic.twitter.com/s1JmeUD6KM
— Marc Guggenheim (@mguggenheim) April 9, 2016
Production begins today on Arrow's fourth season finale. @MericlesHappen @GBerlanti pic.twitter.com/s1JmeUD6KM
— Marc Guggenheim (@mguggenheim) April 9, 2016