While Emma, David, Regina and Hook continue their search for the Wicked Witch, she, in turn, is planning a dark surprise for David, and Zelena’s prisoner is powerless under her…

Oliver, Diggle and Felicity disagree with Dinah, Curtis and Rene on how to handle Black Siren. The two teams face off and a fight ensues.

Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.

Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.

When Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After…

After discovering that Nora is working with Thawne, Barry and Iris disagree about how to handle their daughter in the wake of this shocking news. Team Flash isn’t sure they…