Avsnitt 5

In a parallel universe, the Super Friends are supervillains, the Super Enemies. Mount Vesuvius is a focal point that links the two universes — in one universe, Superman tries to stop the eruption, while his evil counterpart is causing the same disaster in his own reality. Vesuvius explodes, causing the two Supermen to exchange universes . While Superman has to fight his evil comrades and find a way back to his own world, his evil counterpart battles the real heroes and begins his plan to conquer Earth.