The CW has released another trailer for the upcoming four-night crossover event which begins this Monday at the end of Supergirl. The story arc which features The Dominators invading Earth will then carry over to The Flash on Tuesday, Arrow on Wednesday, and conclude on Legends of Tomorrow Thursday night.
Supergirl airs Mondays at 8 p.m. ET/PT, The Flash airs Tuesdays at 8 p.m. ET/PT, Arrow airs Wednesdays at 8 p.m., and DC’s Legends of Tomorrow airs Thursdays at 8 p.m. ET/PT on The CW.
SOURCE: THE CW