Will Supergirl have to kill Reign to end the Dark Kryptonian threat to Earth? Or will she find another way? Lots of death and destruction in the season finale!
Preparations are made for a final battle as the evil Kryptonians begin to enact their plans while Supergirl and Mon-El are stranded on Argo City.
The Cult of Thomas Coville has returned, and it’s bad news for everyone, especially James Olsen and his secret identity.
Reign goes after her alter-ego’s family to kill off any resistance from Samantha Arias as the Legion of Superheroes plan their return to the future.
The Worldkillers have united and the relationship between Supergirl and Lena is strained as the DEO struggles to find the best way to counter Reign and her team.
The threat of the Worldkillers becomes more real, as the DEO team succumbs to the perils of Pestilence, while Lena continues working to cure Sam of her Reign problem.
J’onn’s father’s methods of preventing his memory loss cause some chaos at the DEO, leading to some tense situations. And Mon-El gets a comics-accurate costume!
In the final episode before the show goes on hiatus until April, Supergirl goes up against the second Worldkiller as Mon-El works to change the battery on the Legion time ship.
With Reign the chief threat on everyone’s minds, Supergirl leads a team out into space to try and get some intel on her powerful rival. But the trip has its share of pitfalls – like…
The Girl of Steel has to fight for her life against the Kryptonian worldkiller, Reign, in the show’s mid-season finale!