Supergirl is stunned to discover that a part of Krypton survived. Meanwhile, Alex is attacked while out with Ruby, and Lena considers how far will she go to keep Reign co ...

When Tanya, a disciple of Coville's, escapes from what's left of his cult, she gives Kara and James a journal that could hold the key to saving Sam. Someone learns Guardi ...

When Reign starts hunting Ruby, Supergirl and Alex work together to keep her safe. Supergirl and J'onn look to Sam's mother for advice on how to stop Reign and come away ...

The DEO captures another Worldkiller, who escapes and attacks the city's subway tunnels. ...

As Reign continues to terrorise the city, Supergirl teams up with Saturn Girl, and the two recruit Supergirl's former enemies, Livewire and Psi, to form a team for a miss ...

The battle with Reign has put Supergirl into a coma like state to try and heal. Brainiac-5 enters into Supergirls coma-dream and tries to explain to her that she has sust ...

Kara investigates when an alien ship lands deep underwater beneath National City; Hank attempts to bond with his father; Samantha looks to her estranged mother for answer ...

When multiple children get sick from lead poisoning, Morgan Edge points the finger at Lena and blames her creation of the lead bomb she made to save National City from th ...

Theo is forced to make a decision that could seal humanity's fate. ...

Theo enlists the help of Hassler to capture Margaret; Xander has a confrontation with Rebecca about her condition. ...