<P> The third season of the American television series Legends of Tomorrow , which is based on characters from DC Comics , premiered on The CW on October 10 , 2017 and ran for 18 episodes until April 9 , 2018 . The season follows the Legends , a dysfunctional team of time - traveling superheroes and anti-heroes , and their mission to correct anachronisms in time that they unintentionally caused . 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 is produced by Berlanti Productions , Warner Bros. Television , and DC Entertainment , with Phil Klemmer serving as showrunners . </P>
<P> The third season of the American television series Legends of Tomorrow , which is based on characters from DC Comics , premiered on The CW on October 10 , 2017 and ran for 18 episodes until April 9 , 2018 . The season follows the Legends , a dysfunctional team of time - traveling superheroes and anti-heroes , and their mission to correct anachronisms in time that they unintentionally caused . 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 is produced by Berlanti Productions , Warner Bros. Television , and DC Entertainment , with Phil Klemmer serving as showrunners . </P>
when does season 3 of legends of tomorrow come out
when does season 3 of legends of tomorrow come out
October 10 , 2017
October 10 , 2017