Popsugar Entertainment Netflix When Will 2019 Seasons of The CW Shows Be on Netflix? Here's When New Seasons of Supernatural, The Flash, and More CW Shows Will Hit Netflix 24 April 2019 by Quinn Keaney View On One Page Photo 3 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 When Will The Flash Season 5 Be on Netflix? Barry and co. will zip onto the streaming giant on May 22. Previous Next Start Slideshow NetflixRiverdaleThe CWTV