When a new threat emerges, Dr. Nate Heywood seeks out Oliver Queen to help find the scattered Legends; once reunited, they go to 1942, to keep Albert Einstein from being kidnapped before the Nazis destroy New York City with a nuclear bomb. <br /> <br />Director: Dermott Downs <br /> <br />Writers: Greg Berlanti (developed by), Marc Guggenheim (developed by) <br /> <br />Stars: Victor Garber, Brandon Routh, Arthur Darvill
