Check Out the First Promo for the DCTV Crossover, “Crisis on Earth X”

The first promo for the DCTV crossover between Supergirl, The Flash, Arrow and DC’s Legends of Tomorrow has been released. The crossover is being called, “Crisis on Earth X” and it will feature the wedding between Iris and Barry.

Not much is shown in the trailer, but we can see that Chyler Leigh will be featured in the crossover. This is the first time that Chyler has participated in the four way crossover.

The crossover will take place on November 27 and 28.