DC and Warners have a lot of ground to cover in order to catch to Marvel’s world-building, but their next expansion on this front will take place on the small screen. The next episode of Arrow, called “The Scientist,” will introduce Barry Allen, a.k.a. The Flash, played by Glee‘s Grant Gustin.
Watch the clip of his introduction above.
We also have a full synopsis of this pivotal episode from The CW (via ComingSoon):