When we last saw George and Harold they were headed to jail for the rest of their lives. What could be worse? How about being pulled from prison by a time-traveling tyrant named Tippy Tinkletrousers! Now the boys are taking a trip back to kindergarden, when the scariest thing they had to face was...a sixth-grade bully named Kipper Krupp, the nephew of their clueless school principal. Will their brains be enough to beat the bully?!!