Crisis on Infinite Earths is the sixth annual Arrowverse crossover event. It premiered on The CW on Sunday, December 8, 2019, and concluded on Tuesday, January 14, 2020. It consists of 5 episodes. The first three parts aired on Supergirl, Batwoman, and The Flash, on December 8, 9, and 10; consecutively. The final two parts aired on Tuesday, January 14, 2020, on Arrow and DC’s Legends of Tomorrow.

