When Andrew and Judy¡¯s neighbor gives her dog a bath, microscopic Andrew and Judy find themselves washed off the dog and lost in the bathroom! They¡¯ll have to use their wits–and Thudd¡¯s storehouse of facts–if they¡¯re to survive run-ins with mold, mildew, an ocean of soapy water, and a predatory spider on their way back to the Atom Sucker.