Fan Casting Super Mario Adventures: Let's-A-Go!

Mario and Luigi, two Italian brothers and plumbers that live and work in a strange fantasy world, are invited over to fix some plumbing in the castle of the Mushroom Kingdom, but are attacked by hoards of monsters sent by the arch-enemy of the Mushroom Kingdom, Bowser, who blackmails the kind-hearted and brave Princess Peach into marrying him. When she chases after him, the brother follow in pursuit, but find themselves lost in Yoshi Island, where they must help a hungry dinosaur find his kidnapped tribe and stop the wedding.