Terry is the chief car tester for Emery Motors and Frank is an Engineer. Jane has just been hired to work in publicity. Frank and Terry both want Jane to be their girl. Terry has designed a new carburetor that should bring him fame and money, but he cannot get it to work correctly. Terry and Gadget have tested it for over a year, but it still is not perfected. Emery Motors assigns Frank to help Terry with the carburetor, but Terry is not happy because Frank is an Engineer and is also vying for Jane. They finish the carburetor, and to test it, they enter a car in the Indianapolis 500 race. Terry is not yet satisfied with the carburetor before the big race even though it has passed all the tests.

An orphan is provisionally adopted by the manager of a hotel populated by show business people. The hotel's owner doesn't like the entertainers and wants the girl returned to the orphanage.

Investigators set out to capture a gang of thieves transporting stolen cash through the U.S. mail.

Nikki Martin, a beautiful French opera star, stows away on an ocean liner in hopes of escaping her jealous fiancee. Once aboard, she joins an American swing band and falls in love with its leader, who, after hearing her sing, eventually comes to reciprocate her feelings.

A strong-willed young woman hires a student to impersonate a boorish French count and brings him home to meet her parents.

A shy office worker becomes a hero when a fortune teller calls him another Napoleon.

Steve Merrick is an out of work writer who stays home and plays house husband while his wife goes to work for her former fiancé and Merrick's publisher who is still carrying a torch for her.

A crooked producer makes money from Broadway flops by selling more than 100% interest to multiple parties. He only fails if it makes a profit.

The Bellows family causes comic confusion on an ocean liner, with time out for radio-style musical acts.

George Cabot Jr., the son of a department store owner, enrolls Kristina Nielsen, the store's sports clerk, at a university to use her as an advertisement for their fashion department. She falls for Larry Taylor, a teacher, and gets expelled.

This wacky vaudeville-style romp casts the irreverent comedy team as feuding co-owners of a drug company, William “Willy” Hobbs and Claude Augustus Horton, who agree to wrestle each other for the sole ownership of the business. The winner will take the company and the loser must become the other’s valet for a year. But when Hobbs loses, he sends his wife to Florida and schemes to trick Horton. What follows are hilarious hijinks as only Wheeler and Woolsey can pull off!

A wife whose husband is away asks her decorator to impersonate her husband, to help her deal with a pest. Soon there is quite a web of confusion that also involves the decorator's girlfriend and the wife's suddenly returned husband.