Jesse and Harry bring Snozzie scientist, Professor Dribble, to Earth for a study visit. And he brings along his latest and greatest invention, the Dribble Master. Professor Dribble saves the boys from a sticky situation, and the boys save Professor Dribble from a sticky situation in return. When he goes back to Planet Snoz, Professor Dribble gives the boys the Dribble Master. But surely that will only lead to trouble!