Lewis is told to take a bath, but he claims a beast is in the tub.His parents don't believe him, but when he goes to the bathroom, he finds a large green beast.The two become friends, have a messy but fun time, and eventually clean up together.After the bath, the beast hides under Lewis's bed, and when his parents come in, they comment on how clean he smells, and Lewis says the beast is no longer in the tub.
