Jack Benny, #130 Lunch Counter Murder (Season 11, Episode 07)

Jack plays Charleston T. Gundlefinger, a counterman in a diner. Don plays the police chief. It is midnight, and Jack is nervous because a man was murdered across the street the week before. Three toughs (Duryea, Day and Nelson) come in and intimidate Jack. The police chief is no help. Benny shoots Duryea and Day, but Nelson turns out to be the interior decorator. IMDb: http://us.imdb.com/title/tt0613688/