News & Spoilers
RALPH CONSIDERS CROSSING A LINE TO DEFEAT THE THINKER
When Barry (Grant Gustin) and Team Flash find a way to enter The Thinker's lair, Ralph (guest star Hartley Sawyer) considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe (Jesse L. Martin) is concerned by Harry's (Tom Cavanagh) recent behavior.
Hanelle Culpepper directed the episode written by Jonathan Butler & Gabriel Garza (#418).