This was the last Looney Tune cartoon.
This cartoon features a newly-recorded version of the Looney Tunes theme (the 1960s version of "The Merry-Go-Round Broke Down") that was only used on this short. The closing theme was left unchanged.
Merlin resembles comedian W.C. Fields, and sounds like him as well.
Versatile actor Larry Storch provided the voices in this short.
"Atascadero Escondido!" refers to two California towns.