: To rescue Joe, Barry returns to the sewers wearing a "magnetic resonance" headpiece designed by Cisco and Caitlin to block Grodd's telepathy. During the fight, Grodd breaks the device and attacks Barry’s mind. Iris uses the S.T.A.R. Labs comms to give Barry a motivational speech, helping him break Grodd's control. Barry eventually defeats Grodd by luring him into the path of an oncoming train.
: Iris West finally confronts Barry after discovering his secret identity as The Flash. She is deeply hurt that both Barry and her father, Joe West, kept the truth from her to "protect" her. : To rescue Joe, Barry returns to the
: Meanwhile, Eobard Thawne taunts the captive Eddie, telling him he is the most "unremarkable" of the Thawne family and showing him a future newspaper revealing that Iris eventually marries Barry, not him. Labs comms to give Barry a motivational speech,