Kara gains a new ally when the Flash arrives from an alternate universe and helps her fight the Silver Banshee and Livewire in exchange for her helping him return home.
On Monday the DCTV Universe begins it's expansion! The Flash will introduce himself to National City and meet Supergirl for the first time! To get prepared for this momentous occasion, check out these four clips previewing the huge episode!
Kara helps Hank face his painful past when a White Martian, who wiped out all of the Green Martians from Mars, kidnaps Senator Miranda Crane who is an anti-alien politician. Adam Foster who is Cat's estranged son arrives in National City.
Kara does her best to support Winn when he hears that his father Winslow Schott Sr. breaks out of prison. His father looks for Winn for a reason to become like him. Cat offers Lucy a job working at CatCo and Alex asks Hank to use his powers to find out and uncover Maxwell Lord's plans.
