The Streets of San Francisco S05 E12 Monkey is Back

"Rugged drama of the city and its people."

As a dare to try to win a spot among a gang of high school thugs in the 1950's, Charley Belasco commits a crime that sends him to prison for 20 years. Upon his release, he goes on a murderous rampage to hunt down the the high school thugs who spurned him.