Z-Cars
Z-Cars or Z Cars is a British television drama series centred on the work of mobile uniformed police in the fictional town of Newtown, based on Kirkby, Merseyside. Produced by the BBC, it debuted in January 1962 and ran until September 1978.

How did a man like Derek Murphy get beaten up by his best friend, a man half his size? A puzzle for Miller, Yates and Skinner.