Fifth Avenue socialite Irene Bullock needs a "forgotten man" to win a scavenger hunt, and no one is more forgotten than Godfrey Park, who resides in a dump by the East River. Irene hires Godfrey as a servant for her riotously unhinged family, to the chagrin of her spoiled sister, Cornelia, who tries her best to get Godfrey fired. As Irene falls for her new butler, Godfrey turns the tables and teaches the frivolous Bullocks a lesson or two.

A circus' beautiful trapeze artist agrees to marry the leader of side-show performers, but his deformed friends discover she is only marrying him for his inheritance.

Capricious small-town girl Juliette and barge captain Jean marry after a whirlwind courtship, and she comes to live aboard his boat, L'Atalante. As they make their way down the Seine, Jean grows weary of Juliette's flirtations with his all-male crew, and Juliette longs to escape the monotony of the boat and experience the excitement of a big city. When she steals away to Paris by herself, her husband begins to think their marriage was a mistake.

The villainous Dr. Fu Manchu races against a team of Englishmen to find the tomb of Ghengis Khan, because he wants to use the relics to cause an uprising in the East to wipe out the white race.

Betty Boop goes to see the fearsome Old Man of the Mountain for herself; he sings the title song and a duet with Betty.

A tramp falls in love with a beautiful blind flower girl. His on-and-off friendship with a wealthy man allows him to be the girl's benefactor and suitor.

A beautiful girl, Snow White, takes refuge in the forest in the house of seven dwarfs to hide from her stepmother, the wicked Queen. The Queen is jealous because she wants to be known as "the fairest in the land," and Snow White's beauty surpasses her own.

After a detective is assaulted by thugs and placed in an asylum run by Professor Baum, he observes the professor's preoccupation with another patient, the criminal genius Dr. Mabuse the hypnotist. When Mabuse's notes are found to be connected with a rash of recent crimes, Commissioner Lohmann must determine how Mabuse is communicating with the criminals, despite conflicting reports on the doctor's whereabouts, and capture him for good.