While stealing oil from the sultan of Desert Hill, Cheatsy turns Kootie Pie into a human so she can fool Mario.

Toad loses a magic wand to the Koopas.

Mario and Luigi wind up babysitting a brat from Brooklyn who finds his way into the Mushroom Kingdom.

Kooky has developed a pendant for King Koopa that will grant him the powers of the Mario brothers, but it can only be used in the real world. Koopa uses that to his advantage and lures his unsuspecting enemies into the real world using Luigi as bait. But the Princess manages to contact Toad, who races to get as many power ups to the Mario brothers in time.