Superman gives Jimmy Olsen a new trophy he found on an alien planet. Jimmy uses the device to transfer Superman's mind into Jimmy's body and Jimmy's mind into Superman's body.; Jimmy, while wearing a Superman costume, attends the launching of an engineless rocket into outer space by Superman. To get a scoop, he sneaks aboard to take photos, and ends up traveling through space. When he crash-lands he finds that he now has super-powers and can live out his super-fantasies. But he can't maintain a secret identity because everyone calls him Jimmy Olsen.; Jimmy drinks a potion left behind by Merlin that turns him into a Wolf-Man every night, a spell which can only be broken by a kiss from a beautiful maiden. Jimmy tries to hide his condition from Lucy Lane until he finds, with Superman's help, a beautiful maiden who will kiss him.; While Superman is on a mission in the past, the Superman Emergency Squad monitors Metropolis and discovers that Supergirl has accidentally left a clue to her existence and the Superman Emergency Squad jumps into action to remove the evidence of Supergirl's existence.; Jimmy tries to trick Perry into giving him a raise by pretending to quit his job and getting his new identity hired to take his position.; Jimmy finds an enlarging ray-gun and accidentally fires it through a turtle, striking himself, turning him into a giant turtle-man. When Jimmy begins to collect tons of steel objects, dumping them in an island volcano, Superman is called out to stop him. But Lori Lemaris tells Superman that an Atlantean criminal created the ray-gun and controlled Jimmy telepathically as part of a plan to protect pirate treasure buried on the volcanic island. Superman restores Jimmy with Brainiac's shrinking ray and recovers the pirate loot.; Jimmy becomes a Witch Doctor while visiting natives on an island.; Lois accidentally gives both Clark and Jimmy a drink of Professor Potter's elastic serum. Jimmy becomes Elastic Lad, but Superman must figue out a way to cover for the fact that the serum doesn't effect him.