"Livewire" -- When an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat (Calista Flockhart, right) and Supergirl (Melissa Benoist, left), on SUPERGIRL, Monday, Nov. 23 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2015 WBEI. All rights reserved.