Visible crew/equipment: A red flashing light can be seen in the window across the street from the Virginian talking to a newspaper woman. Must have been a closed set light or filming light.
The Exiles - S1-E16
Factual error: At the end of the episode there's a shot of the steam locomotive pulling in to station at Sheridan WY. There is a very tall cyclone fence with razor wire on top in the distant background.
Continuity mistake: At the beginning of the show, the deceased man is found inside a house. At the end of the show, the killer said the deceased man hit his head on a rock.