King of the Texas Rangers (1941)

Líder de uma quadrilha, Dr. Mabuse planeja um grande golpe: o roubo de informações privilegiadas da bolsa de valores. Depois de usar seus poderes psíquicos em um golpe no jogo de cartas, Mabuse começa a ser investigado pelo Comissário Von Wenk. Mas as poucas pistas fazem com que o comissário procure alguém para ajudá-lo no caso.

Superhero Captain America battles the evil forces of the archvillain called The Scarab, who poisons his enemies and steals a secret device capable of destroying buildings by sound vibrations.

This 15-chapter serial pits Batman and Robin against The Wizard, who uses a device that allows him to control machinery to hold the city hostage.

Em Gotham City, Batman (Lewis Wilson) luta contra Dr. Daka (J. Carrol Naish), um japonês mentor de um grupo de espionagem que sabota instituições. Daka tem um aparelho que pulveriza uma radiação mortal, tendo assim, muita facilidade de destruir seus inimigos, além de poder recrutar homens, fazer uma lavagem cerebral neles e transformá-los em seus servos. Batman precisa usar todo o seu poder de morcego para enfrentar este inimigo.

Uma misteriosa praga, a Morte Púrpura, devasta a Terra. Dr. Zarkov, investigando em sua nave espacial, encontra uma espaçonave do planeta Mongo lançando um pó na atmosfera. Com certeza, Ming, o Impiedoso está de volta com seus velhos estratagemas. Então retornam Mongo, Flash, Dale, e Zarkov, desta vez com aliados esperando: Prince Barin de Arboria e Rainha Fria das terras do norte congeladas de Frigia; onde, é encontrado o Polarite, antídoto para a praga. Mas Ming vai usar todas as suas forças para impedir os nossos heróis de frustrar seus planos de conquista.

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.

Para proteger um talismã mágico de ser usado para o mal, um adolescente chamado Billy Batson é dado o poder de se tornar um super-herói adulto, Capitão Marvel, com uma única palavra mágica: "Shazam!"

Mary Brooks' father, who has been studying ancient tribes, falls into the hands of "the people of Zar, god of the Emerald Fingers." Tarzan helps Mary locate her father, rescues everyone from the High Priest of Zar, and takes Mary to his cave.

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.

Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Richards in the development of a flying suit and a rocket to the Moon. When the nation's defences are being sabotaged and destroyed, Cody learns that an atomic-gun is being used and that the men on the moon are the culprits.

Flash Gordon, Dale Arden e Dr. Alexis Zarkov visitam o planeta Mongo para frustrar os planos malignos do Imperador Ming, o Impiedoso, que colocou seu planeta em rota de colisão com a Terra.

Buck Rogers and Buddy Wade are in the middle of a trans-polar dirigible flight when they are caught in a blizzard and crash. Buddy then releases a special gas to keep them in suspended animation until a rescue party can arrive. However, an avalanche covers the craft and the two are in suspended animation for 500 years. When they are found, they awake to find out that the world has been taken over by the outlaw army of Killer Kane. Along with Lieutenant Wilma Deering, Buck and Buddy join in the fight to overthrow Kane and with the help of Prince Tallen of Saturn and his forces, they eventually do and Earth is free of Kane's grip.

The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the gold and become Emperor. Francisco was put in charge of a legion to combat the Yaqui tribe and protect the land, but when attacked Zorro came to his rescue. Francisco's partner recognized Zorro as the hidalgo Don Diego Vega, then ask him to take over the fighting legion as his alter-ego Zorro.

A mad scientist attempts to rule the world by creating various elaborate inventions.

An evil scientist known as "Mr. M." uses a drug he has developed called "hypnotreme" to help steal submarine equipment. Federal agent Grant Farrell is dispatched to find the mysterious villain and stop his nefarious plans.

A cowboy is hired to track down a gang of rustlers, but gets involved with a beautiful girl trying to run her grandfather's gold mine and other outlaws who are trying to stop her.

Government agents work to interfere with schemes to trick the Comanches into war with the Texans.

A estrada de ferro que liga a Península de Yucatan à Califórnia está sendo construída para o benefício do México. Mas, nos últimos tempos, ela anda sob o constante ataque e controle de uma gangue de malfeitores que querem forçar a sua venda, e ninguém consegue provar a ligação dos bandidos ao feitor J. A. Marsden, que seria o maior beneficiário da venda.

Martians come to Earth to build an H-bomb strong enough to blast Earth out of orbit so that Mars can be moved into its place in closer proximity to the sun. Super-scientist Larry Martin, inventor of the first stratospheric-flight spaceship as well as a jet-powered personal flying suit with helmet, is called upon by the government to investigate ramped-up UFO reports occasioned by the Martians' spaceships. The Martians, meanwhile, led by Marex, engage a renegade earth scientist and a gaggle of gangsters to help them steal supplies, operate a menacing robot, and build their bomb. This movie serial in 12 chapters was originally planned as a sequel to "Radar Men From The Moon" with Commando Cody as the hero but at the last moment the main characters' names were changed and all other references to that serial removed from the script.

This 12-part serial concerns the efforts of the infamous James brothers (of which Jesse was a prominent member) to become normal everyday citizens. Of course, there's no room in the Wild West for reformed outlaws, and the duo inevitably find themselves caught up in showdowns and robberies.