Supergirl | Worlds Finest
Genre: Action & Adventure Drama Sci-Fi & Fantasy
Director: Ali Adler, Andrew Kreisberg, Greg Berlanti
Cast: Azie Tesfai, Chyler Leigh, David Harewood, Jesse Rath, Julie Gonzalo, Katie McGrath, Melissa Benoist, Nicole Maines, Peta Sergeant, Staz Nair
Description: : 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.