Alex
Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but this time they must work together to save Alex. Meanwhile, Rhea has an interesting proposal for Lena.

Cast
Melissa BenoistKara Danvers / Supergirl / Kara Zor-El
Chyler LeighAlex Danvers / Sentinel
David HarewoodJ'onn J'onzz / Martian Manhunter
Katie McGrathLena Luthor
Jesse RathQuerl 'Brainy' Dox / Brainiac-5
Nicole MainesNia Nal / Dreamer
Azie TesfaiKelly Olsen / Guardian
Julie GonzaloAndrea Rojas / Acrata
Staz NairWilliam Dey
Peta SergeantNyxlygsptlnz / 'Nyxly'Supergirl on tvt

