The Bell model 47 Helicopter was commonly called the "Bubble" copter.
JoAnne Kinson was the alias for Marie Roska.
The 1970 Ford Thunderbird 4-door sedan used in this episode,looks like the car used in the closing credits of the 1969-1970 season.
S.R.A. is acronym for Senior Resident Agent.
(Continuity error)When the group of robbers show the get away car to a man at the construction site. The car is a bronze colored 1970 Ford Torino Station Wagon. On the day of the robbery they use a 1969 Ford Fairlane 500 station wagon which is the same color.
The car Inspector Erskine drives in the end credits of this episode is a 1971 Ford LTD Brougham 2-Door hardtop coupe.
In the end credits. Efrem Zimbalist Jr. drives two different cars, a white 1971 Ford LTD Brougham 2-Door Coupe and a red 1971 Mercury Cougar 2-Door coupe.