Continuity mistake: The ring taken from Hanley in the opening, mysteriously reappears on his finger later on.
Continuity mistake: After he changes the tire, the truck driver climbs into the cab with Saunders. But in the next shot, Saunders is alone in the truck.
Continuity mistake: Episodes weren't broadcast in production order, so the character of Billy dies in this one, but reappears alive and well in several episodes aired after this.
Continuity mistake: When he beds down for the night, Saunders removes his coat and covers the little dog with it. But he's wearing the coat again when he wakes up.
