(cache)The Super Mario Bros. Super HQ! on X: "For the third and final unproduced episode premise for The Adventures of Super Mario Bros. 3, we have "Kowabunga Koopa!", dated March 9, 1990! https://t.co/IFHfZ4h7wz" / X

For the third and final unproduced episode premise for The Adventures of Super Mario Bros. 3, we have "Kowabunga Koopa!", dated March 9, 1990!