added by jasamfan23
Barry speeds over to Green Arrow for help in stopping the Dominators. Realizing the battle is bigger than they thought, they track down the Legends of Tomorrow, and Barry and Cisco bring back a secret weapon – Supergirl.
added by iceprincess7492
After Zoom (guest stella, star Teddy Sears) reveals his true plan, Barry (Grant Gustin) vows to do whatever it takes to stop him. Original airdate 5/24/2016.