'Arrow' Bosses, Grant Gustin Reveal Details on Barry Allen's Flashy Debut

Arrow is getting a jolt of Flash.

Glee alum Grant Gustin will enter the fold for a two-episode run on The CW comic-book drama beginning Dec. 4 as Barry Allen, the genius scientist who eventually turns into the speedy superhero simply known as Flash. In his first episode, "The Scientist," Barry makes his way to Starling City after an "unexplained robbery" hits Oliver Queen's family company, Queen Consolidated.  Read More....




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