Popsugar Entertainment The Flash The Flash Set Pictures The Flash's Archnemesis Surfaces in Action-Packed Pictures From the Set October 9, 2014 by Maggie Panos View On One Page Photo 6 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 He's the yellow flash we see in the the first episode, the one who murders Barry's mother. Previous Next Start Slideshow The FlashTV