A detective is hired to protect the life of a singer, who has recently inherited a department store, from the store's crooked manager.

The Marx Brothers are employed at a hotel in postwar Casablanca, where a ring of Nazis is trying to recover a cache of stolen treasure.

The Marx Brothers help young Broadway hopefuls when they get mixed up with gangsters due to a tin of sardines containing Romanoff diamonds.

The Marx Brothers take on high society and the opera world to bring two lovers together. A sly business manager and two wacky friends of two opera singers help them achieve success while humiliating their stuffy and snobbish enemies.

Jeff Wilson, the owner of a small circus, owes his partner Carter $10,000. Before Jeff can pay, Carter's accomplices steal the money so he can take over the circus. Antonio Pirelli and Punchy, who work at the circus, together with lawyer Loophole try to find the thief and get the money back.

A con man heading west to search for gold teams up with a pair of scheming brothers along the way. The trio soon find themselves in the middle of a feud between two rival families and two underhanded land developers.

Broke Gordon Miller tries to land a backer for his new play while he has to deal with with the hotel manager trying to evict him and his cast.

Four stowaways get mixed up with gangsters while running riot on an ocean liner.

Quincy Adams Wagstaff, the new president of Huxley U, hires bumblers Baravelli and Pinky to help his school win the big football game against rival Darwin U.

The well-known explorer and hunter Captain Spaulding has just returned from Africa, and is being welcomed home with a lavish party at the estate of influential society matron Mrs. Rittenhouse when a valuable painting goes missing. The intrepid Captain Spaulding attempts to solve the crime with the help of his silly secretary Horatio Jamison, while sparring with the anarchic Signor Emanuel Ravelli and his nutty sidekick The Professor.

Doctor Hugo Hackenbush, Tony, and Stuffy try and save Judy's sanitarium by winning a big race with a finicky horse owned by Judy's boyfriend Gil. There are a few problems. Hackenbush, who was recently put in charge of the sanitarium, isn't really a doctor, he's a veterinarian.

Between two Thanksgivings, Hannah's husband falls in love with her sister Lee, while her hypochondriac ex-husband rekindles his relationship with her sister Holly.