Koopenstein

Koopenstein is the twenty-first episode of The Super Mario Bros. Super Show! In this episode, Mario, Luigi, Toad and Princess Toadstool, after some travelling, arrive in a town in the Swiss Cheese Alps, the villagers of which, they plan to rescue from a mad scientist named Dr. Koopenstein, who Mario deduces is King Koopa.

Characters

 * Mario
 * Luigi
 * Princess Toadstool
 * Toad
 * King Koopa
 * Mouser
 * Mr. Mayor
 * Shy Guy

Cast

 * Lou Albano - Mario
 * Danny Wells - Luigi
 * Jeannie Elias - Princess Toadstool
 * John Stocker - Toad, Mouser
 * Harvey Atkin - King Koopa, Mr. Mayor