During a fierce thunderstorm, Sky picks up a mayday call from a Air Force courier plane which is about to run out of ...

When Penny discovers a wounded carrier pigeon carrying a valuable ruby attached to its leg, Sky suspects a gang of je...

A crooked express agent fakes a hold-up to steal gold from his company's vault. He uses an old stagecoach to get the ...

While helping a friend run his freight airline after an accident, Sky stumbles across a gold-smuggling operation.

Sky's efforts to prove corruption in the county clerk's office nearly result in disaster, when Sky's foreman, a non-p...

Sky becomes suspicious when a Eastern woman shows up in Grover claiming to be the long-lost niece and heir of a dead ...

Penny picks up the wrong suitcase at the airport and discovers it's full of counterfeit money. Sky suspects that a yo...

A rancher disinherits his nephew in favor of his young son. When the rancher is murdered the young man is blamed. Sky...

Sky King picks up a young hitchhiker who refuses to divulge his identity, or where he's been or going. Determined to ...

A young rancher disappears after the man attempting to foreclose on his mortgage is murdered. Sky is convinced that t...

Eastern gangsters set up a protection racket near Grover and the local ranchers appeal to Sky for help.

The drug Sky delivers to a critically ill man does more than save his life; the medicine causes the man to confess th...

Angry that Sky and Clipper won't allow her to join the search for a missing refugee professor, Penny slaps on a pair ...

Penny sees a man escape from a doctor's office, and is informed that the man is a dangerous mental patient. Sky looks...

Sky investigates a series of mysterious payroll robberies, where the police chase the robbers only to see their getaw...

A local banker is blackmailed by two former confederates who aware of a crime he committed over twenty years ago and ...

A couple of Easterners claim to have traveled west to visit a dude ranch, but are actually a pair of con artists will...

Sky teams up with a military intelligence officer to track down a foreign agent who blew up a secret government project.

Sky stumbles across a dead pilot and suspicious looking plane wreck and discovers that the man was murdered and the c...