Look! Up in the air on Sesame Street... it's a bird... it's a plane.... it's... Iron Monster?! When Super Grover's cape is not ready at the Laundromat, he turns himself into Iron Monster, Super Hero of the Laundromat to heroically solve any laundry related problem that comes his way. Can he make change for the dryer and subtract stains using amazing maths skills? Will his power of static cling come through in a pinch? Find out in this and three other action-packed Sesame Street stories including fantastic friends Elmo, Abby, and Rosita in the story of The Furry Four, and Super Grover's silly search for a new sidekick. It's heroic maths fun for everyone!