Lou Costello drives through the back wall of a movie theater bearing a poster for a fictional film, "Abbott and Costello in 'Romeo Junior'". Footage of Costello, Bud Abbott and Betty Alexander in Shakespearean costumes was shot to be shown on the theater screen but was not used.
His reprisal of the role of Sergeant Collins from Buck Privates (1941) became the final film role for Nat Pendleton.
Herbie calls his friend Slicker Smith by his first name in this sequel; in the original, Herbie calls him Smitty.
"Buck Privates Come Home" was Universal's answer to Samuel Goldwyn's "The Best Years of Our Lives". Though it was done in a comic form with Abbott and Costello, with respect and in very good taste.