Dexter Riley

Some college students manage to persuade the town's big businessman, A. J. Arno, to donate a computer to their college. When the problem- student, Dexter Riley, tries to fix the computer, he gets an electric shock and his brain turns to a computer; now he remembers everything he reads. Unfortunately, he also remembers information which was in the computer's memory, like the illegal business Arno is involved in.

A school laboratory accident mixes one student's vitamin cereal mix with Dexter Riley's chemical experiment. When the kids decide to dispose of the mess to their neighbor's cow, they learn that the cereal gave the cow the super-strength to give a massively vast supply of milk. When they try it out on themselves, they discover that the stuff gives any human superhuman strength for a few minutes. The school sees this as the thing needed to save their school from closure, as the Dean makes a deal with his relative who owns the company that makes the cereal for financial support, unaware that it was Dexter's chemical which was solely responsible for the strength. When her competitor learn of this deal, he hires two criminals to stop it.

A chemistry student invents a spray that makes its wearer invisible. A crook finds out about it, and plans to steal it for himself.