Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.
Released: 2016-03-28
Runtime: 50 minutes
Genre:
Stars: Melissa Benoist, Chyler Leigh, David Harewood, Jeremy Jordan, Calista Flockhart, Mehcad Brooks