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.
Genres: Action & Adventure , Drama , Sci-Fi & Fantasy
Keywords: adoring , alien , based-on-comic , candid , defiant , dignified , dramatic , earnest , empathetic , female-protagonist , gentle , hopeful , inspirational , intimate , introspective , loving , meditative , optimistic , sincere , superhero , thoughtful , wistful , watch-full-episodes-online , arrowverse