DCTV Crisis on Earth-X Crossover Promo #2 The Flash, Arrow, Supergirl, DC’s Legends of Tomorrow The epic DCTV “Crisis on Earth-X” crossover event begins Monday November 27th with Supergirl and Arrow and concludes November 28th in The Flash and DC’s Legends of Tomorrow. Show More… 375 Comments Related Videos DCTV Crisis on Earth-X Crossover Teaser – The Flash, Arrow, Supergirl, DC’s Legends of Tomorrow (HD) The Flash, Arrow, Supergirl, DC’s Legends of Tomorrow 4 Night Crossover Event Trailer (HD) The Flash, Arrow, Supergirl, DC’s Legends of Tomorrow 4 Night Crossover Event Promo #3 (HD) The Flash, Arrow, Supergirl, DC’s Legends of Tomorrow – 4 Night Crossover Event Promo #2 (HD)