Duck Soup is a 1933 American pre-Code musical black comedy film written by Bert Kalmar and Harry Ruby (with additional dialogue by Arthur Sheekman and Nat Perrin) and directed by Leo McCarey. Released by Paramount Pictures on November 17, 1933, it stars the four Marx Brothers (Groucho, Harpo, Chico, and Zeppo in his final film appearance) and also features Margaret Dumont, Louis Calhern, Raquel Torres and Edgar Kennedy.
The collection has lots of other Marx Brothers movies too.
Hail Freedonia!