The Legends work with The Flash, Supergirl and Green Arrow to kill the invaders; while working out how to defeat the Dominators, Stein gets distracted by the aberration he created in 1987. <br /> <br />Director: Gregory Smith <br /> <br />Writers: Greg Berlanti (developed by), Marc Guggenheim (developed by) <br /> <br />Stars: Victor Garber, Brandon Routh, Arthur Darvill
