The Legion of Doom becomes the Legion of Good! But it's a distraction while they conquer the Earth of 3984. However, the Super Friends put together the Riddler's cryptic clues and Superman, Flash, and Green Lantern travel to the future to defeat them there.
Casts:
Casey Kasem, Jack Angel, Don Messick, Vic Perrin, Henry Corden, Frank Welker, Ted Cassidy, Elizabeth Montgomery, Buster Jones, Melanie Chartoff, Michael Bell, Bob Holt, Bob Hastings, Stan Jones, Jimmy Weldon, Danny Dark, William Callaway, Stanley Ralph Ross, Shannon Farnon, Marcello Mastroianni, Richard Chamberlain, Efrem Zimbalist Jr.