User blog comment:ZombifiedRipper/Possible Chance that Ra's Al Ghul May Appear/@comment-67.86.228.213-20131024172903/@comment-5574752-20131102112617

From what I've heard episodes 8 & 9 will be an origin for Flash and then he'll return in episode 20, probably to help Ollie take out who ever the big bad for that episode is.