Team Flash confronts a new bus meta, Matthew AKA Melting Pot (guest star Leonardo Nam), with the ability to swap people’s DNA. During a battle with Team Flash, Matthew transfers Barry’s (Grant Gustin) super speed to Iris (Candice Patton). Now, with a new threat unleashed on Central City, Barry must act as the team leader while Iris takes on the mantle of superhero speedster in order to defeat their new foe. Harry Jierjian directed the episode written by Eric Wallace (#416). Original airdate 3/13/2018.
All new episodes of The Flash return Tuesday, February 27.