As Superman attempts to stop an erupting volcano, he finds himself mysteriously transported into an alternate universe where its counterparts of the Super Friends (called the Super Enemies) are evil, while its Superman deals with the Super Friends in their own universe. Fleeing from both the Super Enemies and from the authorities armed with Kryptonite weapons, the Super Friends Superman gets help from a professor at Metropolis University who gives him an anti-matter flask that would help him return to his own universe if he gets to the exact spot where he had entered the Super Enemies' universe. As Superman reaches the spot, he opens the flask and causes himself and his Super Enemies counterpart to switch places and return back to their respective universes.