The House That Shadows Built the Marx Brothers, with Davison Clark playing Mr. Lee, Theatrical Producer, which was intended to promote their forthcoming 1931 film "Monkey Business" (Clark later played the role of the frustrated Passport Official in "Monkey Business" and would also appear in the war scene in "Duck Soup"). The segment, containing material which was never included in any other Marx Brothers film, is a re-working of the first scene of their first successful Broadway revue "I'll Say She Is" (1924), which Groucho considered to have been the funniest work in the Brothers' career. Except for a few name changes and additional gags,
A Day at the Races (film) Marx," although still deserving of "a much better than passing grade" because "any Marx brothers motion picture is an improvement upon almost any other sustained screen slapstick." "Variety" declared, "Surefire film fun and up to the usual parity of the madcap Marxes." "Harrison's Reports" wrote, "Very good! The Marx Brothers are at their best and funniest here." John Mosher of "The New Yorker" was also positive, writing that "Groucho, Harpo, and Chico are in full blast again," and the film "reaches a fever pitch even beyond earlier records." The "Chicago Tribune" called it a "ridiculous farce, plummed with unique gags,