The Three Investigators in The Secret of Terror Castle

After starting their own detective agency, Nick and Audrey Spitz land a career-making case when their billionaire pal is kidnapped from his wedding.

After getting hired to probe a suspicious death in the small town of Wander, a mentally unstable private investigator becomes convinced the case is...

Private detective 'Duke' Martindale and his wife, Phyllis, an attorney, are working together to clear a girl falsely convicted of murdering a judge....

While reading his favorite comic book, Daffy accidentally knocks himself unconscious and dreams he's Duck Twacy, famous detective, trying to solve...

Hounded by the press for shooting a doctor, an ousted Los Angeles policeman works his own case.

Soon after a Chinese princess comes to the US to buy planes for her people, she is murdered by a poison dart fired by an air rifle.

When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan...

Charlie attempts to solve a triple murder in which a dead man's finger prints show up at all three murder sites, and all three victims were connected...

The Falcon travels to Mexico where he gets involved with murder and a mysterious painting.

A city shrouded in purple smoke is plagued by mass disappearances.

Private eye Jerry Church is hired by a criminal defense lawyer after five mobsters he has gotten acquitted are apparently strangled by a serial...