Duck Soup (1933/1990)

Directed by Leo McCarey

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Purchase the Universal DVD from Amazon
Purchase Universal’s The Marx Brothers Silver Screen Collection* on DVD from Amazon
Purchase Universal’s The Marx Brothers Silver Screen Collection* on Blu-ray Disc from Amazon

*This collections features the first five Marx Brothers movies. It is currently the only place to get Duck Soup on Blu-ray Disc.

Duck Soup is or was available in various other editions and/or collections.