The lake in the woods where Jethro and Drysdale shoot the tank appears to be the same one where Andy and Opie go fishing in the opening credits of the Andy Griffith Show.
Final appearance of Pearl Bodine (and the only one in color).
The term Section 8 refers to a category of discharge from the United States military, that of a member judged mentally unfit for service. It also came to mean any service member given such a discharge or behaving as if deserving such a discharge, as in the expression, "he's a Section 8". The term comes from Section VIII of the World War II-era United States Army Regulation 615-360, which provided for the discharge of those deemed unfit for military service.
Elly May has to quickly end the phone call with her Paw. That's because cousin Pearl & Granny are fighting over Wally Mc Keegan. Walter McKeegan is the name of the art director on both the Beverly Hillbillies, Petticoat Junction & Green Acres.
Field marshal was usually the highest military rank in various German armed forces. It had existed, under slightly different names, in several German states since 1631. After the unification of Germany it was the highest military rank of the Imperial German Army and later in the Wehrmacht until it was abolished in 1945.