WATCH: Barry Meets the Flash, the Diggles Arrive in Central City & More in New "The Flash" Trailer

Big things are speeding towards "The Flash" in the back half of season two. The latest trailer heralds King Shark's return to Central City as well as the Diggles' visit on A.R.G.U.S.' behalf. Additionally, Earth-2 Barry encounters his speedster self from Earth-1, Iris' new boss demands the Flash be outed as having gone rogue, Barry gets imprisoned in the Pipeline and Zoom makes a terrifying entrance in STAR Labs.

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Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" returns airs Tuesdays at 8 pm EST on The CW.

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