When aliens called the Dominators attack Central City, Barry speeds over to Star City to ask the Green Arrow for help in stopping them. Realizing the battle against the Dominators is bigger than they thought, they track down the Legends of Tomorrow, and Barry and Cisco create a breach to bring back a secret weapon - Supergirl. Once all of the super friends are assembled, they come up with a plan to attack but a shocking secret related to Flashpoint is revealed and suddenly no one is sure who they can trust. Meanwhile, Wally wants to join the battle against the aliens but Iris tells him he's not ready.
Did You Know?
Barry tells Kara that she's not the first superhero to be mind-controlled. In the first Flash/Supergirl crossover episode, Kara was dealing with the fallout from being mind controlled by red kryptonite, and Barry recalled when he was controlled in a similar fashion. The latter incident also occurred during a crossover story between the Flash and Arrow. See more
When Barry introduces Supergirl and she levitates to prove her alien nature, she also uses her heat vision to burn her family crest into the floor behind the rest of the team. No one looks at what she's doing, only looking at her, which they should as, from their positions, her heat vision would have had to cut through Professor Stein. The heat-vision effect was added in post and not originally scripted. Later in story-time, Barry has to explain Kara's heat vision to Oliver quickly in battle, which he should know from the aforementioned introduction. Complicated by that explanation being depicted twice. See more
Oh, wow! You really did it this time, Barry.
Yeah, yeah. Yeah, seriously! You to come to Star City, ask for my help, and then, inevitably, immediately, we end up the creek!
The logos for Supergirl, Green Arrow, and the Legends of Tomorrow are added to the credits. See more
The Flash Theme
Written by Blake Neely See more