Watch The Flash Season 2 Episode 21 online, Stream The Flash 2×21 online, Watch The Flash s2e21 online streaming free.
Description by couchtuner for The Flash Season 2 Episode 21 : With Barry gone, the team must figure out a way to handle the return of an old enemy – Girder. Realizing Girder is retracing his steps from his last attack, Iris volunteers to act as bait to trap him in S.T.A.R. Labs. Meanwhile, Barry fights to return to his old life.
Watch It Here : The Flash Season 2 Episode 21 The Runaway Dinosaur