To get the Delaney ranch Cole's henchman Anders has started a phony range war between the cattlemen and sheepmen. After killing Delaney, he tries to kill his daughter Jill and then Roy who was sent to investigate the war. But the failed attempts gives Roy the information he needs.
Buster Crabbe and Johnny Weissmuller battle it out in Cajun country! Johnny, a riverboat pilot on the Mississippi, is seduced away from his fiance (Carol Thurston) by a rich outsider (Virginia Grey) who's nursed him back to health after a serious accident. She owns a large piece of the swamp and has outlawed hunting on her property. His rival Mike (Crabbe) is a trapper who harbors deep resentment for Johnny and his new wealthy friends. When he feels Johnny is responsible for the hunting ban, he resorts to destructive acts of vengeance.
Cutthroat pirate William Kidd captures Admiral Blayne's treasure ship and hides the bounty in a cave. Three years later, Kidd, posing as a respectable merchant captain, offers his services to the King of England. Seeking a social position, Kidd also negotiates for Blayne's title and lands, provided he can prove Blayne was associated with piracy. Launched upon his royal mission, Kidd is unaware that Blayne's son Adam is among the crew, determined to clear his father's name.
Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.
The Topeka Terror is a western film of 1945 directed by Howard Bretherton. The land-rush opening of the Cherokee Strip brings in its wake a scattering of outlaws and claim jumpers. Among these is a crooked promoter. Trent Parker (Frank Jacquet), and his henchmen who plan a huge swindle by compiling falsified reports, putting the claims of honest settlers into the names of various henchmen. Clay Stevens (Allan Lane), a government agent posing as a drifting cowhand, advises the settlers to organize their resistance. Ben Jode (Roy Barcroft), the gang leader, runs for sheriff so he can gain full control of the town.
A naval officer who had deserted several years earlier is drawn back to the Navy when World War II begins. He re-enlists under an assumed name, and is assigned to a minesweeper, where he has to perform hazardous duties while at the same time keeping his real identity a secret.
Hoppy, California and Johnny partner up with brother and sister ranch owners, two of several who are having their access to water blocked by a dam owned by a greedy merchant in town, who is intent on driving them out and taking their land for himself.
A Nazi spy ring is after a chemical formula that increases the power of ordinary gasoline for U.S. Army aviation use. Two U.S. chemical companies are developing the formula, with each working on half for security purposes. The spies get half the formula and know that either of two chemists, Robert Norton or Tom Fielding, knows the rest. They capture Fielding, through a ruse by gang member Linda Pavlo, and threaten the life of his sister Nancy and his mother if he does not give them the formula. To protect his friend Fielding, who does know the formula and is engaged to Nancy, Tom pretends to know the secret and boards the Dawn Express plane with the spy leader and his gang.
A spy steals a secret military device, then hijacks an airliner to get away. The airliner crashes in the wilderness & the survivors are threatened by a raging forest fire.
The story concentrated on a group of test pilots, busily experimenting with a revolutionary all-plastic airplane. Ace flyboy Brad Farrell (Richard Arlen) is determined to prove the practicality of the new aircraft, designed by Professor Blake (Thomas Ross), father of Brad's sweetheart Carol (Jean Parker). Back on solid ground, Brad must vie for Carol's attentions with his own brother, engineer Doug Farrell (Don Castle).
Rightful owner of the kingdom, the Duchess of Zona, is engaged in a power struggle with the evil General Gurko. Edmond, the son of Monte Cristo, dons many disguises to come to the aid of the Duchess.
Bill Hickok, assisted by Calamity Jane, is after a foreign agent and his guerrilla band who are trying to take over some western territory just as the Civil War is coming to a close.
Trouble in Colorado is tying up Union troops needed back east during the Civil War and Lieut. Burke is sent to investigate. Macklin and his gang are causing the problems and Capt. Mason joins them. When Burke catches up with them he also finds Mason, his brother.
American crime reporter John Jones is reassigned to Europe as a foreign correspondent to cover the imminent war. When he walks into the middle of an assassination and stumbles on a spy ring, he seeks help from a beautiful politician’s daughter and an urbane English journalist to uncover the truth.