Ellen McNulty leaves her New Jersey hamburger stand and heads west to pay a surprise visit to her son and his new bride. When Ellen arrives, her daughter-in-law mistakes her for the maid she has hired for a big party they are throwing. Rather than cause any embarrassment, Ellen goes along with the charade, which leads to many complications.

Parker Ballantine is a New York theater critic and his wife writes a play that may or may not be very good. Now Parker must either get out of reviewing the play or cause the breakup of his marriage.

A group of academics have spent years shut up in a house working on the definitive encyclopedia. When one of them discovers that his entry on slang is hopelessly outdated, he ventures into the wide world to learn about the evolving language. Here he meets Sugarpuss O’Shea, a nightclub singer, who’s on top of all the slang—and, it just so happens, needs a place to stay.

In 1927 Hollywood, a silent film star falls for a chorus girl just as he and his paranoid screen partner struggle to make the difficult transition to talking pictures.

To save his career, an ad man wants a sex symbol to endorse a lipstick but in exchange, she wants him to pretend to be her lover.

Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.

A womanizing reporter for a sleazy tabloid magazine impersonates his hen-pecked neighbor in order to get an expose on renowned psychologist Helen Gurley Brown.

An ailing barrister is thrust back into the courtroom in what becomes one of the most unusual and eventful murder cases of the lawyer's career when he finds himself defending a man being tried for the murder of a socialite.

Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.

As a ploy to sign a championship college boxer to a contract, Big Boy enrolls in the college the youth is attending.