Watch: Supergirl "Fight or Flight" Clip
Watch a new clip above for the next episode of Supergirl "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, on SUPERGIRL, Monday, November 9th on CBS Peter Facinelli guest stars as tech entrepreneur Maxwell Lord.
"Supergirl" airs Mondays on CBS starring Melissa Benoist as Supergirl, Mehcad Brooks as James Olsen, Chyler Leigh as Alex Danvers, Calista Flockhart as Cat Grant and Jeremy Jordan as Winn Schott.