The second time in which Ross Martin is replaced by Charles Aidman as Jeremy Pike. Like the first arrangement, Arte's absence is explained as a trip to Washington D.C.
This episode borrows both "Front Street" and Marshall Dillon's office from Gunsmoke (1955). Both shows shot at CBS Studios.
When James West shoots the steam-powered mannequin in the face, the bullet rips away the flesh, and a metallic wound appears. This same technique was used in the Season One show, "The Night of the Steel Assassin", when West shot the character "Torres" (actor John Dehner).
In this episode, "Monday's Child" peom is the basis for kidnappings. Friday's Child (Loving and Giving) and Saturday's Child (Works Hard for a Living) are reversed.