Factual error: There's a 1930s/40s vintage car in the background of this episode. The scene is associated with the marriage. Chester and Matt hear a gunshot and the scene then pans to some buggies, horses and people at The Wedding area. Matt and Chester jump on horses and ride out, and if you look closely at the background, there's the car, traveling by for about two seconds.
Gunsmoke (1955)
1 factual error in season 3 - chronological order
Starring: James Arness, Ken Curtis, Amanda Blake, Milburn Stone
Continuity mistake: Marshall Dillon buries an outlaw at Sarah's place. He installs a wood cross at the grave. Sarah comes out and they talk. When she leaves, the scene cuts back to Dillon and the cross is missing.
Dr. Galen 'Doc' Adams: I'll tell you why the Hagens live so long.
Festus Haggen: Why?
Dr. Galen 'Doc' Adams: 'Cause they're too dumb to know they're dead.
Trivia: Although they played father and son in this episode, Jack Elam was only six years older than Harry Dean Stanton.