The Flash (2014): Season 1, Episode 21

1 - 21: Grodd Lives

GRODD RETURNS! — Barry must deal with the Reverse Flash’s 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, 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.