Watch Happy Holland (1952) : Full Movie Online Free When a Dutch wolf puts the snatch on a Dutch-damsel-in-distress, the Holland-visiting Might Mouse comes to her rescue. As always, the Super Mighty Mouse, has a few problems before the villain is dispatched, but comes though in the end. And then, just like Superman, with theme-song blaring, flies off to his next adventure as the Wolrd's Mightest Mouse.