According to Adam West's "Back to the Batcave", the three-part episodes featuring The Joker and The Penguin, and The Penguin and Marsha, Queen of Diamonds, were each planned to be edited together as theatrical films for overseas releases.
The names of the jewelry store guards - Burns and Pinkerton - are the names of two legendary American detective agencies: the Pinkerton National Detective Agency and the William J. Burns International Detective Agency.