Bernie Kopell's first appearance as Postlethwaite, the Apothecary, who runs a shop named "Postlethwaite's Potent Potions." He would appear a total of four times as this character throughout the series.
When Samantha and Darrin arrive at the airport, a brief stock-footage clip of the TWA Flight Center at John F. Kennedy Airport is shown. The iconic terminal by Eero Saarinen is architecturally renowned, and listed on the U.S. National Register of Historic Places.