Chicago hotel clerk Frank Harris dreams of life as a cowboy, and he gets his chance when, jilted by the father of the woman he loves, he joins Tom Reece and his cattle-driving outfit. Soon, though, the tenderfoot finds out life on the range is neither what he expected nor what he's been looking for...

Tommy Price is the leader of a gang of young thugs interested in thrills, hot rods and girls. His friends bet him he can't make it with 17-year-old Rosemary Clinton. Their date turns out badly and her parents forbid her to see him again. They keep meeting, and the relationship changes him to the extent that he plans on going to college and changing his life, which delights his parents.

Sach and the gang (Bowery Boys) fool Nazis and a sultan in North Africa.

Biochemists give fruit-fly serum to a dying woman, with side effects.

Follows the cases of a dedicated Los Angeles police detective, Sergeant Joe Friday, and his partners. The show takes its name from the police term "dragnet", meaning a system of coordinated measures for apprehending criminals or suspects.