The CW's The Flash revolutionized superhero storytelling on television, quickly becoming the linchpin of the Arrowverse.

Felicity Smoak and Ray Palmer come to Central City seeking help with Ray's suit, an ex-employee releases deadly robotic bees, and a group dinner does not go as planned.

Felicity Smoak was also introduced in Arrow as a tech ... universe that included several DC superhero series, such as The Flash, Supergirl, and Legends of Tomorrow. Although most of the cast ...

Caitlin fears that her past as Killer Frost may be back to haunt her, while Felicity Smoak comes to Central City to help the girls celebrate Iris's bachelorette party.