Federal Operator 99

A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. His henchmen often kidnap a trained gorilla (the titular "ape") from the zoo, to aid in the schemes.

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.

When a bank executive disappears, he is accused of stealing a fortune from the bank. But his daughter and her criminologist friend set out to find her father and clear his name.

A movie serial from 1914

When a deadly Nitron ray strikes Earth, Flash Gordon and his friends travel to Mars to battle Ming the Merciless and his new ally Queen Azura.

Tom Wayne rescues Clancy, Renard and Schmidt in the Arabian desert and they join him in going after El Shaitan, a bad guy who is never seen as he tries to wipe out the Foreign Legion. CHAPTER TITLES: 1. The Fiery Circle; 2. One For All, All For One; 3. The Master Spy; 4. Pirates of the Desert; 5. Rebel Rifles; 6. Death's Marathon; 7. Naked Steel; 8. The Master Strikes; 9. The Fatal Cave; 10. Trapped!; 11. The Measure of a Man; 12.The Value of Comrades.

Miracles of the Jungle is the adventures of two U.S. Secret Service men sent to Africa to bring back a man wanted for murder. Chapter 1 - The City of Lions Chapter 2 - The Passage of Death Chapter 3 - The Jungle Attack Chapter 4 - The Leopard's Revenge Chapter 5 - The Storm in the Desert Chapter 6 - To the Rescue Chapter 7 - The Leopard's Lair Chapter 8 - Doomed to Death Chapter 9 - In the Hands of the Apes Chapter 10 - Midst Raging Tigers Chapter 11 - Twelve Against One Chapter 12 - Cheating Death Chapter 13 - The Heart of an Elephant Chapter 14 - The Lion's Leap Chapter 15 - All's Well That Ends Well.

American federal agent Clark Stuart is on assignment in Santa Fe to draw up a trade agreement with the newly installed Mexican governor. Meanwhile, Walter Jamison leads a wagon train from Missouri, hoping to take advantage of the new agreement. Among Jamison's passenger are famed frontiersman Jim Bowie and a very youthful Kit Carson. The destinies of all these personalities intersect when villainous ex-governor DuPrey schemes to undermine the treaty and take over the New Mexico territory for his own vile purposes. Somewhere along the way, Davy Crockett joins the "good guys" in their efforts to thwart the despicable DuPrey.

The true story of Lord Francis Hope who inherits the Hope Diamond and marries showgirl May Yohe. Lord Francis Hope gambles away the family fortune and May Yohe leaves him. Another suspected curse of owning the Hope Diamond.

Dick Tracy's foe for this serial is the crime boss and Masked Mystery Villain The Spider/The Lame One and his Spider Ring. In the process of various crimes, including using his Flying wing and sound weapon to destroy the Bay Bridge in San Francisco and stealing an experimental "Speed Plane", the Spider captures Dick Tracy's brother, Gordon. The Spider's minion, Dr. Moloch, performs a brain operation on Gordon Tracy to turn him evil, making him secretly part of the Spider Ring and so turning brother against brother.

An action-themed movie serial.

Corporal Larry Grant and Sergeant "Mac" McGowan, of the United States Marine Corps, are rival for the love of Frances Schiller, but team up to hunt down "The Tiger Shark," a mad, scientific wizard who is holding Sergeant William Schiller, Frances' brother, a prisoner on a wild, jungle island in the Pacific.

When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry stumbles upon the civilization, now buried beneath his own Radio Ranch. The Muranians have developed technology and weaponry such as television and ray guns. Their rich supply of radium draws unscrupulous speculators from the surface. The peaceful civilization of the Muranians is corrupted by the greed from above, and it becomes Autry's task to prevent all-out war, ideally without disrupting his regular radio show.

In 1930s Texas, following the murder of his father, Tom Morgan joins the Texas Rangers to avenge his father's death and to follow in his path as a proponent of Indian rights. His task as a Ranger is to stop the evil Zaroff and his gang, who are smuggling the elements for a powerful explosive from a mine on Indian land.

A 12-chapter serial built around stock footage from a 1922 silent serial, "The Jungle Goddess",young David Worth and Joan Lawrence are children with a group of explorers that are seeking African radium deposits. They are playing in the basket of the party's air balloon when the bag takes off with Joan aboard, last seen sailing over the back-lot jungle. This puts a chill on the expedition and all hands return to whence they came. The end of chapter 1, "Lost in the Clouds", finds Marilyn's balloon being shot down by the flaming arrows of a native tribe. Chapter 2,"Radium Rays", reveals that Joan survived her descent and the tribe named "the child from the sky" as their queen and priestess.A flash forward of about 18 years finds that the now-adult David has returned to Africa to search for his long-lost childhood friend.He hits the trail and is quickly captured by the tribesmen and is brought to their sadistic ruler,who turns out to be a now-grown Joan. Unaware of his or her own true ...

This 13 chapter serial is based on the comic strip character Ace Drummond created by Eddie Rickenbacker. Ace is a 'G-Man of the sky' working out of Washington D.C. He is sent to Mongolia to find out why a mysterious villain known only as 'The Dragon' is trying to prevent the newly formed International Airways from setting up an airport there. Ace meets Peggy Trainor (Jean Rogers) who is searching for her archaeologist father who has disappeared. Together they search for answers to the puzzles.

A young mechanic gets a job with a small airline, which he helps win a mail contract. A rival airline plots to destroy it in order to get the contracts for itself.

A desert guerilla, with flashing scimitar, opposes a tyrannical prince and marries the caliph's daughter.

An internationally-notorious criminal scientist returns to the US to sell his latest invention, a disintegrating gas, to a foreign power. When he arrives, however, he is spotted by a young Coast Guard man, whom he kills - and thus earns the enmity of the entire US Coast Guard, but especially the murdered Guardsman's older brother who, together with his reporter-girlfriend and her comical photographer, vigorously sets to tracking him down and interfering with his plans to develop the city-melting gas in quantity. A Republic Serial in 12 Chapters.

A scientist invents a poison gas; the villain and his gang will do anything to get the formula; our hero, "Lightning Hutch", is sent to save the scientist, the scientist's beautiful daughter, and the formula.