Popsugar Entertainment Cw Arrow The Flash Supergirl 2018 Crossover on The CW Photos This Year's Arrowverse Crossover Might Be the Most Epic One Yet — See the Photos! 16 October 2018 by Brea Cubit View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow CWSupergirlThe FlashArrowTV