Sidney Pythias is a bumbling janitor picked up by cop Mike Damon as a teenage gang member worth saving from delinquency. With Damon's help, Sidney works his way through the Police Academy to become a cop too.

After escaping Russia's communist revolution, Léon Theremin travels to New York, where he pioneers the field of electronic music with his synthesizer. But at the height of his popularity, Soviet agents kidnap and force him to develop spy technology.

A supercomputer plans world domination with the help of Robby the Robot and a 10 year old boy, who is the son of the computer's inventor.