New York City cop Phil Donlon leaves the force to join the U.S. Olympic team. When he falls for a Marine colonel's daughter he gets kicked off the team. Joining the Marines to win the Colonel's approval many adventures follow.
American racketeer Jimmie Dean travels to England, where he assumes the identity of a Canadian whom he has been falsely accused of murdering. Jimmie is then forced to join the British army in the dead man's place. He falls in love with the Canadian's childhood playmate, Sally Briggs, and becomes a hero after saving an isolated English colony in China.
As the sheriff of a small western town, Autry sings his way into a relationship with Eleanor, a singer from a Chicago nightclub who earlier witnessed a murder.
A singer in Shanghai looks exactly like a missing flyer who went missing, and is feared to have sold the experimental airplane that he was flying. Foreign gangsters, the missing flyers girlfriend, and the U.S. military wants him, dead or alive.
The Commandant is making life rough for the colonials in Spanish California. While trying to help, Zorro is charged with the murder of the new Governor, but in the end he triumphs over the evil Commandant.
Aircraft are being shot down by a large black plane with a big "X" painted on the wing. The chief suspects are invited for the weekend to an old dark mansion.
In his film debut Ritter is sent to investigate miners being killed and their mines confiscated. The culprit is Evans and after Tex joins the gang, he is sent to kill two more miners. When Estaban is killed, Tex is put on trial for all three murders.
At the Texas Centennial in Dallas Autry confuses two girls by being himself and his own stunt double. When cowboy star Tom Ford disappears, Wilson gets his double Gene Autry to impersonate him. But Ford owes gangster Rico $10,000 and Rico arrives to collect. He fails to get the money but learns that Autry is an impersonator and now blackmails Wilson and his movie studio. Original version runs 71 minutes, edited version runs 59 minutes.
White hunter Captain Fry tries to take Tarzan back to civilization, caged for public display. He arrives in the jungle with Jane's cousins, Eric and Rita, who want Jane's help in claiming a fortune left her.
When Brent Halston returns he finds his father in an insane asylum and Wilton about to foreclose on their ranch and bring sheep onto the cattle range. When Wilton kills a rancher, Brent is blamed and jailed. Escaping jail he gets Ware to confess that he payed to have Halston committed. He then gets unexpected help from Ethel Gordon when Wilton tries to foreclose.
Reporter Steve Haines, on the trail of a business tycoon, follows his subject onto an ocean liner and gets wound up in a cruise full of intrigue, romance and murder.
Crash Corrigan, a recent graduate of Annapolis, and Diana, a go-getting reporter, join Professor Norton for a search for the source of a string of earthquakes, Atlantis. They ride Prof. Norton's rocket submarine searching the sea and little Billy Norton, the professor's son stows away, of course. When they find Atlantis they are caught in a war between peaceful Atlanteans, note their white capes, and war-monging Atlanteans, note their black capes. After many harrowing moments for Crash, Diana, Prof. Norton and Billy, they barely get away with their lives when they escape a tower of Atlantis raised to the surface for the sole purpose of dominating or destroying the Earth (Which one depends on the compliance of the upper world dwellers.)
A lawman captures the notorious "Pecos Kid", who is tried and hanged for his crimes--then starts to have doubts as to whether the Kid actually committed the crimes.
An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hoppy must stop them without help from the sheriff who turns out be a major outlaw himself.