The CW network has released the synopsis for episode #121 of The Flash, which you can check out below. The installment, titled “Grodd Lives, is officially described as follows:
GRODD RETURNS! — Barry (Grant Gustin) must deal with the Reverse Flash’s (Tom Cavanagh) latest threat to a member of the group. To make matter worse, Dr. Wells unleashes Grodd on the city in order to distract Barry and the team. Joe (Jesse L. Martin), Barry and Cisco (Carlos Valdes) head down into the sewers to catch Grodd but the gorilla quickly gets the upper hand after he kidnaps Joe. Iris (Candice Patton) and Barry have a heart to heart talk.
The Flash “Grodd Lives” was directed by Dermott Downs and written by Grainne Godfree & Kai Yu Wu. The episode airs Tuesday, May 5, at 8pm on The CW.