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 ...
Bam Smack Pow on MSN
All 9 seasons of The Flash ranked from worst to best
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?
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