Supergirl | Elseworlds (III)
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: : Supergirl, The Flash, Green Arrow and Superman engage in the battle of their lives. The crossover starts on The Flash S05E09 Elseworlds (I) and Arrow S07E09 Elseworlds (II).