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).
Released: 2018-12-11
Runtime: 50 minutes
Genre:
Stars: Melissa Benoist, Chyler Leigh, David Harewood, Katie McGrath, Jesse Rath, Nicole Maines, Sam Witwer, Mehcad Brooks