An original scene had Bugs running up a gallows to escape Sam; he uses the trap door like an elevator, and when Sam tries, he gets hung in the noose (he kicks and curses in the rope). This was edited from most broadcasts. However, the fully uncut version appears on the Looney Tunes Golden Collection DVD and is shown on Turner Classic Movies.
The dynamic between Schultz and the warden might have been inspired by To Be or Not to Be (1942), which featured a bumbling subordinate and an overbearing, but comical, superior. It would then fast forward to Hogan's Heroes (1965) with similar comical mix-ups.
Sing Song prison is a pun on the famous Sing Sing penitentiary in Ossining, NY. It is still in operation as of 2023.
Yosemite Sam states his last name is Schultz.
Just about every gangster movie element is used in this humorous short.