When Archie and Mr. Weatherbee volunteer to be guinea pigs in Dilton's I.Q. analyzer for the science fair, something goes horribly wrong! Instead of measuring their brain power, the experiment causes them to switch bodies! Worst of all, Archie has a date planned with Veronica and Mr. Weatherbee will be giving an important speech to the school board the effect wears off. Will student and princpal manage to spend a day in each others' shoes without everything falling to shambles?