When Wendell doesn't clean up his room, a whole herd of pigs comes to live with him.

A busy backhoe loader describes all the items it hauls from a lot and all the fun it has getting dirty while doing so.

Pig the Pug loves to roll in all sorts of disgusting garbage, and track dirty paw prints all over the house; he does not like the idea of a bath, but when his plan the stop up the tub seriously backfires he decides that bath time must be endured--after all he can always find some more garbage to roll in.

Little Mouse, Biddle mouse has the run of the house.

Rabbit needs to clean her room, but when Pete the Problem-Solving Porcupine's plan causes more of a mess, Rabbit needs to quickly come up with her own strategy before chaos ensues.

Little Duck celebrates his first birthday with the other animals on the farm by copying their examples, from shearing off all his feathers to taking a mudbath, before enjoying Farmer Brown's yummy frosted maple cake.

Harriet and her mother exchange mean words when Harriet refuses to pick up her toys, until an apology saves the day and everyone sits down to a spaghetti dinner.

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.

"When the mayor of the Tidiest Town notices a single flower out of place, Fussy Great Ape offers to help. Unfortunately, he causes a bigger mess in the process. He calls on his other ape friends to help, but their good intentions lead the town into even greater chaos! Can they put this town back together?"--

Bert and Ernie argue over Ernie's messiness, so Ernie looks for another place to stay.