Supergirl “Hostile Takeover” Clip: Cat Grant is Hacked

"Hostile Takeover" -- Kara (Melissa Benoist, left) goes toe-to-toe with Astra when her aunt challenges Kara's beliefs about her mother. Also, Cat (Calista Flockhart, right) is threatened with being removed as the CEO of CatCo after a hacker exposes her private and damaging emails, on SUPERGIRL, Monday, Dec. 14 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Photo: Trae Patton/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved