Lucy’s situation grows desperate after she’s taken captive by Flynn and brought to the 1893 Chicago World’s Fair. In their dogged pursuit of Lucy, Wyatt and Rufus fall into a…

Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension…

Oliver, Team Arrow, ARGUS and the SCPD kick off a citywide manhunt for Adrian Chase. Helix tells Felicity they have a way to find Chase but they will need something…