The Flash (2014) Season 4, Episode 18 : Lose Yourself

When Barry and Team Flash find a way to enter The Thinker's lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry's recent behavior. Guest Stars: Hartley Sawyer, Arturo del Puerto, Miranda MacDougall, Kim Suzanne Engelbrecht, Andrew Barber, Joel Wirkkunen, Neil Sandilands, Bethany Brown, Leonardo Nam, Morena Baccarin,

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