Parker Lewis is a force to be reckoned with in whatever he does, and now he decides to run for class president. When the dedicated Becky Grant puts her all into it only to pale in comparison to Parker, guilt follows. For once, Parker decides to lose at something and throw the election, but it seems that Parker can't lose even if he tries, and his ratings soar higher than ever.

With the Class of 1970 reunion coming up, some surprising characters appear. not only did Musso graduate then, but Larry's dad, Parker's dad, and the dads of his two best buds. The forerunner of Parker, Mr. Lewis was the resident prankster along with his buddies, and in their day perpetrated the ultimate prank. Now the only evidence of their identities in the prank are about to be revealed as the time capsule will be opened in front of the entire graduating class. Can Parker cover up the crime, or will his dad's legendary episode from years past cause Parker's downfall?