Dragnet was an American radio series that aired from 1949 to 1957. The program enacted the cases of a dedicated Los Angeles police detective, Sergeant Joe Friday, and his partners. The series covered crimes ranging from check fraud and petty theft to more sensational topics like murder and drug abuse. Benny Trounsel Narcotics is an episode of Dragnet that originally aired on August 4, 1949. Specific plot details for this episode are not available. However, based on the general theme of Dragnet, the episode likely involves a narcotics-related crime that Sergeant Joe Friday and his partners are tasked to solve.