" Fast Lane " is the 12th episode of the second season of , which originally aired on February 2, 2016. The episode centers on the moral dilemma of Harry Wells (Earth-2 Harrison Wells), who is forced to choose between his loyalty to Team Flash and saving his daughter, Jesse Quick, from Zoom. Key Plot Points
: Iris becomes concerned about Wally West’s illegal drag racing hobby. Her attempt to intervene at a race goes wrong when Tar Pit attacks, leading to Iris being injured by a piece of glass. [S2E12] Fast Lane
: Riddled with guilt after Iris is hurt, Harry confesses his betrayal to the team. Joe West’s immediate reaction is to punch Harry and lock him in the Pipeline. " Fast Lane " is the 12th episode
: A notable lighter moment occurs when Barry speed-reads thick textbooks to help Harry close the breaches, making him an "instant expert" in Earth-2 physics. Her attempt to intervene at a race goes
Watch this recap to see how the betrayal unfolded and how the team prepares for their journey to Earth-2:
: Critics from PopMatters and Fangirlish noted the parallel between Joe’s protective nature toward Iris and Wally and Harry’s desperate attempts to save Jesse.
: Despite the betrayal, Barry convinces the team that they should help Harry save his daughter. The episode ends with the team preparing to travel to Earth-2. Development and Themes