The Flash (2014) S03E20 - I Know Who You Are

Episode Overview

Barry and his team encounter Tracy Brand, a brilliant scientist who could hold the solution to defeating Savitar. However, they soon find themselves facing Killer Frost, who is also targeting Tracy. This confrontation poses a significant challenge for Cisco, as he grapples with the fight against their former ally. Meanwhile, Joe and Cecile's relationship reaches a pivotal moment, marking a significant change in their bond.

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