CBS and Warner Brothers own the WB WPIX Network.
Be prepared this coming fall for cross-overs between Supergirl, The Flash, and Arrow between CBS and WB PIX TV.
http://comicbook.com/2015/01/06/its-possible-supergirl-will-cross-over-with-arrow-and-the-flash/
Be prepared this coming fall for cross-overs between Supergirl, The Flash, and Arrow between CBS and WB PIX TV.
http://comicbook.com/2015/01/06/its-possible-supergirl-will-cross-over-with-arrow-and-the-flash/