Plastique
After a bomb explodes downtown, the army rolls in and takes over. When Joe learns Iris is writing about 'The Streak' and tries unsuccessfully to have the story stopped, Barry decides to have The Flash pay her a visit.
Episodes
21
Grodd Lives 41
While Barry tries to find Eddie, a mysterious mind-controlled thief launches attacks on Central City’s gold reserves. The team soon discovers that a telepathic gorilla is behind the robberies… and is following Harrison’s commands. Meanwhile, Iris confronts Barry, while Harrison prepares to return home.
22
Rogue Air 41
When Harrison activates the particle accelerator, the team has no choice but to evacuate the five metahuman prisoners. Unfortunately, with time running out, Barry has no choice but to turn to Captain Cold for help. Meanwhile, Eddie escapes but has some surprising news for Iris.
23
Fast Enough 44
Wells presents Barry with a life-changing choice. Dr. Martin Stein and Ronnie Raymond return to help the S.T.A.R. Labs team with this final fight.