Fourth-grader Frankie Piccolini has a vivid imagination when it comes to cleaning his disastrously messy room, but eventually even he decides that it is just too dirty.
D.W. convinces Arthur to have a garage sale after his mother tells him to get rid of the junk in his room, but things do not work out exactly as he had planned.
Everyone and everything in the town of Neatasapin is tidy, except Emmaline who likes to dig dirt and jump in puddles, and wants to adopt an untidy bunny.
As more and more of his clothes go missing, Mr. Toggle finds himself wearing a strange assortment of items until he finally realizes what he has to do.