In the version presently shown on TCM, this short is not identified on-screen as part of any particular series. However, in the Academy of Motion Picture Arts and Science's (AMPAS) on-line database, as well as its set of looseleaf pages listing all nominees and winners, and in "Box Office" magazine, this short is identified as an entry in Warner Bros.' "Vitaphone Varieties" series.
Vitaphone production reel #1402A
This was released 10-27-1945, a little over a month after the end of World War II. Japan surrendered 09-02-1945/ Germany surrendered 05-08-1945.