DCTV Crisis on Earth-X Crossover Behind the Scenes – The Flash, Arrow, Supergirl, DC’s Legends

The CW takes you behind the scenes of the four hour Crisis on Earth-X crossover, starting tonight at 8/7c on The CW. Official website: http://www.cwtv.com/shows/crisis-on-earth-x/ Official Facebook page: https://facebook.com/TheCW Official Twitter page: https://twitter.com/TheCW DCTV Crisis on Earth-X Crossover playlist: https://www.youtube.com/playlist?list=PLfrisy2KXzkfHCVva6U3tfPTg3azqLNtB