The outfits worn by the waitresses in the Cattlemen's Club changed from brown to black for this season, and are considerably more demure, showing far less cleavage and thigh.
The door through which the characters often enter the Southfork house, which has the stairs on the immediate right as the viewer looks, has lost the triangular feature from the top left corner from this point on.
Lucy is only supposed to be in the early stages of pregnancy, so Charlene Tilton's real-life pregnancy got very obviously hidden by a high-backed chair in the Southfork living room, and by pillows shielding her body in Lucy's bedroom.
This episode mark the first time a southfork waiter /waitress is allow to talk. In early seasons they were never talking, not a line
This episode shares its title with Changing of the Guard (2012), the premiere episode of the revival series Dallas (2012).