My Best Friend is Invisible

Sammy Jacobs loves all things spooky and sci-fi, much to the dismay of his scientist parents. But when an invisible 'friend' starts causing chaos in his room and at the breakfast table, Sammy realizes he's got a real-life mystery on his hands. He needs to figure out how to get rid of this unseen guest before his parents find out. Can Sammy make his invisible problem disappear?