EPISODIUM
Crisis on Infinite Earths is the Arrowverse's sixth annual event, which crosses episodes from the Arrow television series, The Flash, Supergirl, Legends of Tomorrow and Batwoman, continuing from the crossover "Elseworlds", inspired by the great big crossover of the same name from DC Comics. First episode releasing on December 9, 2018 in the 5th season of episode 9 of the Flash Series.