A new batch of civilian volunteers joins the new Citizens on Patrol program, but Captain Harris is determined to see it fail. The "boys in blue" are back for the fourth installment in the immensely popular "Police Academy" series, which has collectively earned over $238,000,000. This time, our favorite crimebusters face yet another major challenge when they attempt to train a group of oddball civilians to help control community crime which leads to both disastrous and hilarious results.