Radio personalities Larry Abbot and Vickie Pearle are stars of a mystery show. Since they announced their engagement, Larry has been plagued by speech problems and, seeking out an unconventional cure, he returns to his boyhood home, a mansion in the countryside, bringing Vickie along. Larry reunites with numerous family members, but discovers that there are sinister things afoot within the walls of the creepy estate.
Honest and straightforward small-town Shirlee Kenyon chucks her boyfriend and heads for Chicago. Accidentally having to host a radio problem phone-in show, it is clear she is a natural and is hired on the spot. But the station insists she call herself Doctor, and as her popularity grows a local reporter starts digging for the truth. Problem is, the more he is around her the more he fancies her.
The ghosts of three elderly industrialists killed in an airplane crash return to Earth to help reunite a young couple whom they initially brought together.
A late night radio host is trapped inside the station by a violent storm after being bitten by a rabid bat.
A publicity stunt staged on a train known as the Broadway Limited gets out of control, as no one wants to be responsible for the baby that was brought in for it.
Two dumb soda jerks dream of writing radio mysteries. When they try to pitch an idea at a radio station, they end up in the middle of a real murder when the station owner is killed during a broadcast.
J. P. Courtney wants to update the music on the radio program he sponsors, but his wife, Agatha Courtney, is the final authority and addicted to the classics and won't allow him to replace Professor Bistell and his symphonic orchestra. Conspiring with his daughter Sue and her friends, Marvo the Great, the Andrews Sisters, Anne Payne and bandleader Woody Herman, they devise a sabotage plot that gets rid of Professor Bistell, and a new sound is soon heard on the program.
When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry stumbles upon the civilization, now buried beneath his own Radio Ranch. The Muranians have developed technology and weaponry such as television and ray guns. Their rich supply of radium draws unscrupulous speculators from the surface. The peaceful civilization of the Muranians is corrupted by the greed from above, and it becomes Autry's task to prevent all-out war, ideally without disrupting his regular radio show.
A struggling singer, devoted to his young son, fears the child's super-spoiled, unloving but wealthy mother will gain custody of the boy.
Amateur sleuth Ellery Queen learns the truth about a businessman's two long-lost daughters.
A drifter claims the money in an old bank account. Soon he finds himself the target of two men who turn out to be the sons of the man's old partner, who is now in prison because of a conflict with him over the money in that account.
Famed detective and crime novelist Ellery Queen solves a case involving the suspicious death of a rich man whose inheritors fight over his estate.
A sports announcer and a friend investigate after a pitcher misses a series. When they discover that gangsters are trying to find a hidden fortune, they use the radio show to foil the plan.
The benefactor of the Stack Memorial Hospital dies after an operation. Ellery Queen investigates when it is revealed the cause of death was murder by strangulation.
When a murder occurs on an ocean liner docked in New York, the trail leads to Coney Island and a spy ring.
The story evolves around a radio panel game show "Twenty Questions." The panel is challenged with an anonymous question. The answer leads to a series of murders in which the killer uses the programme to name his victims in advance. Two reporters spot a link between them and enlist the aid of the panel in trapping the guilty party.
Niela is tired of her children's hour radio program and with the help of Lee they frame the station's top executive so that she will get a break on a big time program.
A criminal psychiatrist investigates the murder of a two-time widower.
The operators of 'Silver Haven', a cultish group bilking gullible rich people out of money, is set to inherit a large sum after the deceased woman's heir also dies. Leader Joesph Jones decides to hurry the process along and kidnaps Wally Benton, his fiancé, and a friend, to further this goal. Wally, 'The Fox', is a radio sleuth who solves murders on the air. Jones wants him to devise a perfect murder, and isn't above killing others sloppily along the way to get his foolproof murder plot.
César Neira, an almost forgotten actor, gets involved by chance with Teresa, a teacher from a small village in Cáceres who has won a radio contest. The prize is a trip to Madrid to experience just for a fortnight the life of the famous and wealthy people.