UNITED STATES - MAY 04: SUPERFRIENDS - 5/4/73, The greatest heroes - banded together to stamp out the forces of evil wherever and whenever. Based on DC Comics' long-running Justice League of America series, the show featured the Justice League including The Atom, Aquaman, Wonder Woman, Superman, Batman & Robin, Aquaman, and Wonder Woman together with apprentice super-heroes Marvin, Wendy, and Wonder Dog., (Photo by ABC Photo Archives/ABC via Getty Images)

UNITED STATES - MAY 04:  SUPERFRIENDS - 5/4/73, The greatest heroes - banded together to stamp out the forces of evil wherever and whenever. Based on DC Comics' long-running Justice League of America series, the show featured the Justice League including The Atom, Aquaman, Wonder Woman, Superman, Batman & Robin, Aquaman, and Wonder Woman together with apprentice super-heroes Marvin, Wendy, and Wonder Dog.,  (Photo by ABC Photo Archives/ABC via Getty Images)