The sixth season of the American television series Legends of Tomorrow, which is based on characters from DC Comics, premiered on The CW on May 2, 2021 and consisted of 15 episodes. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow and The Flash. The season was produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Phil Klemmer and Keto Shimizu serving as showrunners. The season was ordered in January 2020. Production began that October and concluded in May 2021. Principal cast members Caity Lotz, Tala Ashe, Jes Macallan, Olivia Swann, Amy Louise Pemberton, Nick Zano, Dominic Purcell and Matt Ryan return from previous seasons, while Adam Tsekhman and Shayan Sobhian were promoted to the main cast from their recurring status in previous seasons. They are joined by new cast member Lisseth Chavez.