The Flash is a TV show on American national television from The CW with an average rating of 3.2 stars by WatchTVOnDemand.com's visitors. We have 79 episodes of The Flash in our archive. The first episode of The Flash was broadcast in December, 2017. Did you miss an episode of The Flash but don't you wan't that to happen in the future? Please set an alarm and add The Flash to your favorites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!