The CW has released the first promo for Supergirl episode 4.21, titled “Red Dawn,” highlighting the incoming showdown between the girl of steel and her clone the Red Daughter.
“SUPERGIRL BATTLES RED DAUGHTER – Kara (Melissa Benoist) comes face to face with Red Daughter and the two engage in an epic battle.
New episodes of Supergirl premiere Sunday at 8/7c on The CW.