The Flash & Arrow Crossover Episode: Barry Allen & Felicity BTS Photos

The Flash & Arrow Crossover Episode: Barry Allen & Felicity BTS Photos

In episode 4 of The Flash, Felicity Smoak (played by Emily Bett) will enter the world of the fastest man alive.

But before we get into the actual action-packed scenes, here are some BTS photos that can whet your appetite for the upcoming fall episode. 

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