Board Thread:Arrow discussions/@comment-25029540-20151202190752/@comment-4525203-20160330231602

I feel like it could be Laurel and Quentin, maybe as payback for helping to put Darhk away since Quentin's confession is what really sealed the deal. Like someone said earlier, I feel like Episode 19 is probably when we'll figure out because it is very suspicious that all Marc Guggenheim has given us on Twitter is a script page with all of the title blackened out except for the letter "R".