This episode was a backdoor pilot for a possible spin-off series,starring returning series characters, Marcus Aurelius 'Gabby' Hayes (Louis Gossett Jr.), and Gandolph 'Gandy' Fitch (Isaac Hayes),as a pair of private investigators - one a smooth-talker (Gabby), the other the muscle (Gandy), with the proposed title of Gabby & Gandy. The pilot was not picked up to series.
One of two episodes in which Nazi characters are prominently featured and important to the plot of that episode, the other being Irving the Explainer (1977).
Marcus Aurelius Hayes the nickname of 'Gabby'. Previously, Jim referred to him as Marc or Marcus. Also, Gossett's playing a character who's last name is the real last name of Fitch; Hayes
Pre-Roots (1977), and not yet as well-known, Louis Gossett Jr. does not include the 'Jr.' in his screen credit.