'Supergirl' Finale Teases 'Crisis On Infinite Earths' DC Crossover Event

Supergirl just left with us with a massive teaser for the upcoming DC Universe crossover event!

At the end of the season four finale last night (May 19), The Monitor brings Ma’alefa’ak, the twin brother and arch-nemesis of Martian Manhunter, aka J’onn J’onzz, to Earth. Monitor then pays a visit to supervillain Lex Luthor.

The Crisis on Infinite Earths crossover was announced at the CW Upfronts presentation and will span across all five DC shows, The Flash, Supergirl, Arrow, DC’s Legends of Tomorrow, and newcomer Batwoman.

The crossover will span during the mid-season, with three of the episodes airing in December of this year, and the final two in 2020.

Check out the teaser from Supergirl right here!