Stream online Season 1 Episode 3 of Supergirl Couchtuner.
Description by couchtuner for Supergirl Season 1 Episode 3 : 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.
Watch It Here : Supergirl Season 1 Episode 3 Fight or Flight