The Flash Season 4 Episode 18 2017
7.4IMDB

The Flash Season 4 Episode 18: When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry’s recent behavior.
- Aired:Apr 17, 2018
- Seasons:9 · Episodes:184
- Country:United States of America
- Created by: Geoff Johns, Greg Berlanti, Andrew Kreisberg
- Network:The CW







































