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Barry feels guilty for what happened to Caitlin, and Mark comes up with a plan that makes everyone skeptical. Meanwhile, Red Death looms in Central City and commands that failure is not an option. Joe asks Cecile to make a choice that leads Cecile to think about the greater good. Allegra and Chester take a step in a new direction. Lastly, old friends pay an unexpected visit to S.T.A.R. Labs.
First Air Date : Oct 07, 2014
Last Air date : May 24, 2023
Episode : 184 Episode
Season : 9 Season
Runtime: 44 minutes
Studio: The CW
Country: United States of America