Over a decade ago, "Glee" actor Grant Gustin guest starred on an episode of the successful but fledgling CW series "Arrow," throwing Stephen Amell's Emerald Archer together with an awkward ...

From speed bumps to Forces of Nature, The Flash had plenty of highs and lows throughout its run on The CW. But which one of the best of them all?

Kendall Myers is a Senior Author with Collider. As part of the TV and Movies Features team, she writes about some of the most popular releases before, during, and after they premiere. In three years, ...