The Flash - Season 3 Episode 21 : Cause and Effect
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Barry takes drastic measures to stop Savitar. Meanwhile, H.R. continues to push Tracy Brand to design the trap for Savitar and Killer Frost returns with an interesting proposal.
Released: 2014-10-07
Runtime: 00:26:14 minutes
Genre: Drama, Sci-Fi & Fantasy
Network: The CW
Stars: Grant Gustin, Candice Patton, Danielle Panabaker, Danielle Nicolet, Kayla Compton, Brandon McKnight, Jon Cor