Heroes Join Forces: Extended Promo For The Arrow/Flash Crossover

The CW has released an extended promo trailer for the upcoming Arrow and Flash crossover airing in December.

“Legends of Today” is Part 1 and it airs as an episode of The Flash on December 1; “Legends of Yesterday” airs as an episode of Arrow on December 2. The shorter trailer can be found at FlashTVNews. Both episodes lead to the upcoming Legends of Tomorrow spinoff.

You can find the extended promo below. We can’t wait!