Joe and His Superhero Sons - The Flash Season 3 Episode 21
Waiting around is the hardest part for anyone. Barry and Wally are both suited up. Are they on a mission with Joe working on a new case? Or have they found a way to save Iris?

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Katie Yu/The CW
The Flash
The Flash Season 3 Episode 21: "Cause and Effect"
Wally West/Kid Flash, Barry Allen/Flash, Detective Joe West
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The Flash Photos, The Flash Season 3 Episode 21 Photos, Wally West/Kid Flash Photos, Barry Allen/Flash Photos, Detective Joe West Photos
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