S4E16
Episode 16: Run, Iris, Run
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
Iris accidentally takes Barry’s speed when a new meta with the power to swap powers touches both of them. Now they have to learn how the other half lives as Iris takes to the field and Barry monitors events. Meanwhile, Ralph refuses to leave S.T.A.R. Labs for fear that Clifford will kill him, and Harry undertakes a dangerous experiment to match their opponent’s augmented intellect.