Passkey to Danger

Five astronauts successfully fly to Mars where they encounter seemingly friendly and advanced inhabitants who harbor covert plans to use their ship to invade Earth.

When Hoppy's falsely accused young friend is killed while supposedly trying to escape from jail, an embittered Hoppy is blamed and drummed out of the Texas Rangers.

A bandit who robs both Americans and Mexicans is causing each side of the border to blame the other. Hoppy has to settle matters.

The Bar 20 boys are after Nevada and his gang of cattle rustlers. Hoppy and California join Nevada's gang under assumed names. Johnny and the rest of Bar 20 get directions from Winters and head out looking for Hoppy's signal. But Winters wanders on ahead and gets spotted. This lets Nevada trap them in a canyon and to make matters worse, Hoppy's masquerade has been exposed.

Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby's mine and Hoppy suspects it may be ex-outlaw Colby himself. When Speedy strikes gold, Hoppy borrows it and announces a gold shipment hoping to catch the gang and their leader.

Hoppy goes to town to help Marshal Windy with some rustlers and winds up helping the widow Joyce when confidence men try to take her herd. King's Men songs include: "Hi Thar Stranger" and "Lazy Rolls the Rio Grande."

Disguising himself as a milquetoast Easterner who writes Western novels, Hoppy enrolls in a dude ranch in order to unmask the murderer of the owner's husband.

All the passengers on an airplane headed for San Francisco are drugged, and when they wake up, it is discovered that a quarter-million dollars is missing. Charlie Chan--and, of course, his #1 son--must discover the identity of the person who doped the passengers and stole the money.

A young woman hires a frontier scout to help her discover if her brother died in an Indian attack on a remote fort.

Director Lesley Selander's 1954 western stars Sterling Hayden, Coleen Gray, Keith Larsen, Tom Tully, Lee Van Cleef and Jimmy Wakely.