The deputy mentions in conversation about a gunfighter that "came into town last week handing out business cards", referring to Paladin of 'Have Gun, Will Travel'.
The convertible was a Dodge, a visual pun for Dodge City.
At least 12 of the episode's guest stars and bit players--Kathleen O'Malley, William Fawcett, Iron Eyes Cody, Jack Henderson, Kermit Maynard, Philo McCullough, Jack Perrin, Joe Phillips, Fred Rapport, Bob Reeves, Danny Sands and Milan Smith--had actually appeared on "Gunsmoke" at some point in their careers.
Roscoe Ates performs without his trademark stutter.