Hip and Hop steal the golden mummy case of Prince Mushroom-khamen, a dead ringer for Mario, and awaken the wrath of Mommy Mummy Mushroomkhamen who tears up Desert Land in search of her kidnapped son. // King Koopa is siphoning off all the oil from Desertland to power his doomship! But when his Koopalings mess up and cross the oil pipes with the water pipes, things get really sticky.