Grodd Lives

"Grodd Lives" is the upcoming twenty-first episode of the first season of The Flash, and the twenty-first episode overall. It will air on May 5, 2015.

Synopsis
Barry must deal with the Reverse-Flash's latest threat to a member of the group. To make matters worse, Dr. Wells unleashes Grodd on the city in order to distract Barry and the team. Joe, Barry and Cisco head down into the sewers to catch Grodd but the gorilla quickly gets the upper hand after he kidnaps Joe. Iris and Barry have a heart to heart talk.