Captain Video, Master of the Stratosphere

An Air Force captain is assigned to find some missing top-secret microfilm.

The drought-plagued ranchers of Sundown have to market their cattle at a loss in order to meet mortgage payments held by banker Cylus Cuttler. Then, Sheriff Tex Rockett is forced to quarantine all the cattle on the local ranches because of a hoof-and-mouth disease outbreak. Steve Davis herds his cattle to the railhead anyway, and Tex is forced to arrest him. Urged on by the banker's son, Nick Cuttler, the angry ranchers storm the jail, but Steve's sister Bee persuades them to await the trial. Steve, with Nick's help, breaks jail and is told he must kill Tex to aid the ranchers. Meanwhile, government man Bret Stockton and Tex see Nick and his men treating cattle in an unusual way. Tex finally proves that the Cuttlers have been treating the cattle with acid to give a false impression of the hoof-and-mouth disease.

Brice, a secret service agent, seeks information regarding stolen silver which disappeared from the government in 1804. Hade and Milo seek the fortune for themselves, as do the "conches" natives of Florida since the time the money was buried. Claire, half sister of Milo, falls in love with Brice, who is captured by Milo and Hade and taken to an island where he is to be killed.

10-chapter serial tells the tale of Gladys Samuels, working as a bold reporter who is determined to untangle a complex web of crime to save her father, District Attorney Samuels. The son of a wealthy fire apparatus manufacturer joins forces with the fire department. He teams up with a fire captain, Jeff Tarrant, to track down an elusive arson ring. The team faces a series of threats orchestrated by the villains, led by Chief Carson (Leo D. Maloney) and a mysterious criminal network. 1. The Arson Trail, 2. The Pit of Darkness, 3. The Hidden Hand, 4. The Convict Strikes, 5. On Flaming Waters, 6. The Man of Mystery, 7. The Ape Man, 8. Back from Death, 9. Menace of the Past, 10. The Flame of Love.

Cartwright's racket is to sell a ranch and then have Mason and his men drive the ranchers away so he can resell it. If they want their money back he gives it to them and then has them killed. Jack arrives and learns that Mason and his men are the culprits but that they have a boss. He suspects Cartwright and sets trap to expose him.

Exciting late-silent 10-episode serial, with all the hallmarks of the genre, including daring cavalry rescues, gold robbers and, of course, the beautiful white girl being burned at the stake by indians. Later re-edited into a feature-length film of the same name.

Greedy oil speculators, led by Morgan, are trying to force Tiger Woman and her band of warriors from their jungle home. Allen Saunders of Inter-Ocean Oil wants to develop the oil, too, but fights with Tiger Woman to stop the bad guys.

Two Boy Scouts win an around-the-world trip with a crack aviator, and find themselves crash-landed in the South American jungles after the ace forgets to refuel in Ecuador.

A man returning home after having fought in the Civil War discovers that corrupt politicians have taken over the county and are terrorizing and shaking down the citizens. He dons the costume of his ancestor, the famous Zorro, and sets out to bring them to justice.

Edith overhears Bart's plan to rob the bank so she informs Ken. But she is also overheard and when Ken goes to investigate, Bart's Henchman Prod frames him for the robbery. Thrown in jail, Ken's pal Pedro arrives with a plan to get him out.

The story of this 10 episode serial deals with the love affair between Doris Sutton, daughter of a millionaire business magnate, whose affairs are under investigation by U. S. Senator Hornell, and Hornell's son, who under the name of Jack Rollins is endeavoring to make good as a big league player. Matters are complicated by Count Segundo, a foreign agent, who has been instructed to "get something" on Sutton.

An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it becomes a case for Forest Ranger Steve King

Jungle-Jim type Johnny Weissmuller helps Professor Blakely look for a missing colleague who is now playing "god" for a bunch of natives.

In the 56th (and next-to-last serial) made by Columbia Pictures, Montana Deputy Dan Lawson, posing as an outlaw called Laramie, goes to the Canadian northwest on the trail of Bart Randall who is wanted for murder and bank robbery in the states. In Canada, Randall is a little more upscale and uses a hydra-plane and a fake totem to over-awe the Indians. Laramie is aided in his search by RCMP Sergeant Gray and by Donna Blane, who is suspected at first of giving information to Randall, but who is actually a Canadian secret agent investigating Randall's gun-trading with the Indians.

Superman comes to Earth as a child and grows up to be his home's first superhero with his first major challenge being to oppose The Spider Lady.

Willie Duggans, a tenderfoot from the east, arrives in the wild west and soon experiences its violence. Willie discovers the easy money in bounty killing and must choose between that violent lifestyle and the love of a beautiful saloon singer.