Marx Brothers Say She Is". Their third feature-length film, "Monkey Business" (1931), was their first movie not based on a stage production. "Horse Feathers" (1932), in which the brothers satirized the American college system and Prohibition, was their most popular film yet, and won them the cover of "Time" magazine. It included a running gag from their stage work, in which Harpo produces a ludicrous array of props from inside his coat, including a wooden mallet, a fish, a coiled rope, a tie, a poster of a woman in her underwear, a cup of hot coffee, a sword; and, just after Groucho
Monkey Business (1931 film) while constantly trying to evade the ship's crew. Prior to this development, the film has no real plot, with the Brothers merely causing unending uproar. Except in the credits and in the screenplay, the Brothers' characters have no names in this film. They are referred to simply as "the stowaways". After arriving stateside, one of the gangsters kidnaps the other's daughter, leaving it up to the brothers to save the day. Writers S. J. Perelman and Will B. Johnstone were excited to be working with the Marx Brothers, but producer Herman J. Mankiewicz advised them to lower their expectations, calling