Johnny Boo creates an incredible Ice Cream Computer that can turn anything into delicious ice cream. Old toys that you don't want to play with anymore? Ice cream! Clods of dirt and grass? Ice cream! It works great... until Squiggle decides to turn himself into ice cream! Then: Johnny Boo time travels to the future, where the Mean Little Boy tries to add him to his butterfly collection. Can Squiggle save the day, or will everyone get turned into ice...

"Travis and his sister, Corey, can't resist a good trick. When they learn that their grandmother's quiet Vermont inn, where they're spending the summer, has a history of ghost sightings, they decide to do a little "haunting" of their own. Before long, their supernatural pranks have tourists flocking to Fox Hill Inn,and business booms. But Travis and Corey soon find out that theirs aren't the only ghosts at Fox Hill. Their thoughtless games have awakened...