Animal Crackers (1930) (aka Muntra musikanter)
Animal Crackers, directed by Victor Heerman, follows the Marx Brothers as they descend on a high-society party where a valuable painting goes missing. The film blends rapid-fire wordplay, absurdist banter, and musical interludes, showcasing Grouchos signature one-liners and Harpos anarchic physical comedy. Its combination of stage roots and cinematic timing cemented it as an early Marx Brothers classic.

Monkey Business (1931) (aka Fyra fräcka fripassagerare)
Directed by Norman Z. McLeod, Monkey Business strands the Marx Brothers aboard an ocean liner where they impersonate gangsters, sabotage authority, and unleash escalating chaos. The film blends maritime farce with breakneck comedic pacing, emphasizing improvisation and quick-witted jokes. Its freer structure helped define the troupes transition from stage-bound comedy to fully cinematic antics.

Duck Soup (1933) (aka Fyra fula fiskar)
Duck Soup, directed by Leo McCarey, follows Groucho as the newly appointed ruler of Freedonia, whose reckless decisions spark a satirical war with a neighbouring nation. The film blends political parody, physical gags, and surreal humor, culminating in some of the most iconic sequences in American comedy. Widely regarded as the Marx Brothers masterpiece, it remains a landmark of anarchic, anti-authoritarian cinema.

Horse Feathers (1932) (Fyra farliga friare)
Directed by Norman Z. McLeod, Horse Feathers places the Marx Brothers in the world of college politics and football as Groucho becomes the president of Huxley College. The film blends academic satire, romantic confusion, and a chaotic climactic football game. Its combination of verbal wit and slapstick athleticism showcases the troupe at their most playful and inventive.

The Cocoanuts (1929) (aka Miljonärernas paradis)
The Cocoanuts,