'Arrow' & 'The Flash' Casts Tease Crossover Episode 

\'Arrow\' & \'The Flash\' Casts Tease Crossover Episode

Stephen Amell, Grant Gustin, Danielle Panabaker and others from the casts of “Arrow” and “The Flash” chat with Access about the upcoming crossover episode. What was it like putting the two casts together? And, why was filming the slow-motion scene difficult for Stephen? “The Flash Vs. Arrow” airs Dec. 2 at 8/7c on The CW, while “The Brave and The Bold” portion of the crossover airs Dec. 3 at 8/7c on “Arrow.”