Fight or Flight
Supergirl’s powers are tested when Reactron, one of Superman’s formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

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

