When the New Jersey police refuse to believe the Fox's broadcast appeal for help is real, the chief says he isn't going to get fooled again. This refers to the famed "The War of the Worlds" radio play by Orson Welles' Mercury Theater on the Air that reported on a Martian invasion in New Jersey on 30 October 1938.
Of the three films in this series, this is the only one in which Wally's agent, Buzz (Eve Arden), is seen.
Included among the American Film Institute's 2000 list of the 500 movies nominated for the Top 100 Funniest American Movies.
Wally is asked why he has a lighter, when he doesn't smoke. However, in the other films in the series, he smokes.
Don Costello ('Noose' Green) and Virginia Grey ('Fran' Post) also appeared together in Another Thin Man (1939).