Watch A New Promo For The Upcoming DC Crossover Event On The CW

A brand new promo for the upcoming Four Night Crossover event between The Flash, Arrow, Supergirl, and DC’s Legends Of Tomorrow has been released. This new event will kick off on November 28 during the new episode of Supergirl.

In the upcoming crossover, the heroes must team up in order to stop the Dominators from destroying the world. This team up will include some of our favorite faces from all three shows, heroes and teammates alike!