Duration: 42-45m

TV-PG 8.0 Action / Sci-Fi / Adventure

The Flash S4E18

Barry and the team find a way into the Thinker's lair; Ralph considers crossing a dangerous line to defeat him; Joe is concerned by Harry's recent behavior.

Release Date: April 17, 2018 (USA)

Creator: Greg Berlanti, Andrew Kreisberg, Geoff Johns

Cast: Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Jesse L. Martin, Tom Cavanagh, Hartley Sawyer, Danielle Nicolet, John Wesley Shipp