Legends of Tomorrow is an American superhero television series created by Greg Berlanti, Marc Guggenheim, Phil Klemmer, and Andrew Kreisberg, which ran for seven seasons on The CW. Additionally, Klemmer, later joined by Keto Shimizu, served as showrunner. It is set in the Arrowverse, sharing continuity with other related television series. The series revolves around an eponymous team of superheroes and their time-traveling adventures.