Mark Mardon, having survived his apparent death during the dark matter explosion, returns seeking revenge on Joe for the death of his brother Clyde and has the same weather-manipulation powers as his deceased sibling. Barry gets some important information about time travel. Stein, Barry and the team believe both men are safe. Barry struggles with his relationship and his duties as The Flash.Īfter the nuclear explosion separates Ronnie and Dr. Joe enlists Cisco's help in the reinvestigation of Nora Allen's murder. Wells uses sound waves to attack the Flash, while Iris faces trouble in her new job.Ĭaitlin brings Barry out to a karaoke bar, hoping they both meet someone new Cisco thinks about Hartley's dangerous proposition Henry's snooping gets him into trouble.Īfter Ronnie attacks a physicist, Barry and the team go after him. While the Flash prepares to vanquish the Reverse-Flash, Captain Cold and Heat Wave team up to kidnap Caitlin.Ī former protégé of Dr. Caitlin gets surprising news about her fiancé, Ronnie. The Flash must confront the Reverse-Flash, the man who killed his mother.
The Arrow arrives to help the Flash investigate a series of homicides, but a metahuman who can control emotions turns them against each other. Using his metahuman power to siphon electricity, Blackout robs Barry of his speed, then sets his sights on S.T.A.R. Iris finally coins the moniker "the Flash." While trying to get Iris to stop blogging about the Flash, Barry investigates a general's connection to an explosive metahuman.īarry takes on his childhood bully, who can now turn himself into steel. Joe disapproves of Eddie and Iris dating. To steal a priceless diamond, Captain Cold acquires a specialized gun that can slay the Flash. CSI investigator Barry Allen awakens from a coma, nine months after he was hit by lightning, and discovers he has superhuman speed.īarry takes on a group of armed men at an awards ceremony, but side effects from his new super power catch up with him.īarry and Joe track a deadly metahuman with toxic gas powers, and Caitlin relives the night of the explosion that killed her fiancé.