The major crossover event within the Arrowverse on The CW, “Crisis on Infinite Earths”, officially has air dates for the upcoming season. Over the course of a month, five of The CW’s hit superhero shows will join forces.
Starting Sunday, December 8 at 8:00 p.m. ET, Supergirl will introduce the major crossover event. It will continue on Monday, December 9 at 8:00 p.m. ET with the new series Batwoman, starring Ruby Rose. The Flash will air Tuesday, December 9 at 8:00 p.m. ET before the event goes on a small hiatus.
The event will return Tuesday, January 14, 2020 with back to back episodes of Arrow and Legends of Tomorrow starting at 8:00 p.m. ET.
It was also announced that Black Lightning will be joining the crossover as well!