Crisis on Infinite Earths (2019)
"Crisis on Infinite Earths" is the sixth annual Arrowverse crossover event featuring episodes of the television series Supergirl, Batwoman, The Flash, Arrow, and Legends of Tomorrow on The CW. The Supergirl, Batwoman, and The Flash episodes aired in December 2019 while the Arrow and Legends of Tomorrow episodes aired in January 2020. The events of the Black Lightning episode, "The Book of Resistance: Chapter Four: Earth Crisis" (which aired between Batwoman and The Flash), and a two-issue comic book with characters and concepts unused in the live-action episodes also tied into the event.
Seasons & Episode
The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38
The group uses Ray's invention to track new recruits to help save the universe. The Monitor sends Iris, Clark and Lois in search of a mysterious Kryptonian, while Kate and Kara head out to find Bruce Wayne. In addition, Mia challenges Sara, Rory discovers a hidden talent, and Lex Luthor returns
Pariah enlists Black Lightning to help stop the Anti-Monitor after the Flash of Earth-90 shares what he learned from his battle in 'Elseworlds'. With the help of Black Lightning, Barry, Cisco and Killer Frost come up with a plan that could save them all. Meanwhile, Iris has a heart-to-heart with Ryan Choi while Oliver and Diggle return to an old familiar stomping ground.
Stuck in the Vanishing Point, the Paragons search for a way to escape; Oliver reveals that he has become something else; the origin stories for The Monitor and Anti-Monitor are revealed.
Worlds lived, worlds died. Nothing will ever be the same.
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