Hogan mentions Bridgeport, Connecticut which is the name of Bob Crane's hometown and place of birth.
In a couple of scenes where they show the nighttime exterior of the Baronesses house, you see two parked cars outside of it, one of which is a convertible. Those cars are not of the 1940s but of the 1960s when this episode was filmed. Obviously stock footage from something else.
The stock footage of a man jumping out of a C-47 appears in several episodes.