The sixth season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, premiered on The CW on October 8, 2019. The season follows Barry as he navigates through the Crisis and the emergence of Bloodwork and Eva McCulloch. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The season is produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Eric Wallace serving as showrunner.
Promotional poster
Crisis on Infinite Earths (Arrowverse)
"Crisis on Infinite Earths" is the sixth 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" and a two-issue comic book with characters and concepts unused in the live-action episodes also tied into the event.
Promotional poster for the first three episodes
Marc Guggenheim was the overall creator for "Crisis on Infinite Earths"
As a result of the crossover, Cress Williams' character and series was merged with the other Arrowverse series to form the new Earth-Prime.
Promotional poster for the final two episodes, which was described as a "mirror" of the first poster.