Arrow & “Flash” Crossover Episode Promo

Following last night’s episode of “The Flash,” The CW has aired the first promo for the first part of this year’s “Arrow” and “The Flash” crossover. “Legends of Today” will introduce the villain Vandal Savage (Casper Crump), and show off both Hawkgirl (Ciara Renee) and Hawkman (Falk Hentschel) with their powers. The “Arrow” half is entitled “Legends of Yesterday” and both are due to air in the first week of December.