A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn’s girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old…

Alec is injured in a car accident while joyriding with his friends who are intoxicated on a dangerous new drug sweeping the streets. Kiera recognizes this new poison as a…

With Oliver gone, Diggle, Arsenal, and Felicity have their hands full dealing with a new crime lord: Brick. Meanwhile, Ray prepares his battle armor, and in Tibet, a mysterious figure…

When Diamond, an old girlfriend of Original Cindy’s mysteriously reappears to rekindle their relationship, Max finds her anonymity dangerously comprised by a stranger with a deadly secret. Max becomes suspicious…

When a serial kidnapper “over there” strikes again, the emotional and familiar case hits home for Colonel Broyles, sending a determined Olivia to uncover additional details about the abductions. In…

A mysterious man who claims to be a product of Lex’s latest project plants a bomb on Chloe and uses her to force Lois to get the truth from Lex.

Rommie falls in love with a surviving android (Michael Shanks) of a destroyed ship, only to be betrayed as he turns out to be the ultimate enemy.

When a massive storm threatens the city, Atlantis is evacuated — only to be taken over by the team’s newest enemy.

Dean and Sam investigate what seems to be a werewolf killing but turns out to be a skinwalker posing as a family dog who is taking revenge on his owner’s…