Go Behind The Scenes Of The DC Superhero Four Night Crossover

A new behind the scenes video from the four night DC Superhero crossover has been released. This CW event kicks off tonight, November 28, during the new episode of Supergirl.

In this new video, the casts of Supergirl, The Flash, Arrow, and DC’s Legends Of Tomorrow chat about their crossover. Viewers also get another look at some new footage from the crossover as well.