King of the Circus

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.

A wealthy young athlete comes to the aid of a beautiful heiress, whose fortune is being threatened by two arch villains, The Great Master and Doctor Zulph.

Based on a successful comic book that began in 1941, the Blackhawks were seven flyers who banded together during WW II to fight the Nazis. After the war, they continued to fight evil where ever they find it. In this movie, they are battling a group of spies and saboteurs bent on destroying democracy. The Blackhawks foil a succession of plots, with a cliff hanger ending in each episode.

In this Western, comprised of 12 chapters from a serial, Kit leads a group carrying a large gold shipment across the wild West. When the Mystery Riders attack and steal the gold, Kit is the only survivor. He later joins forces with the cavalry to retrieve it.

About a young radio cop and a beautiful girl try to stop an international criminal gang from getting their hands on the formula for a new bulletproof steel.

An evil prince plans to use a super-explosive to take over the world.

In this action-packed serial, government agent Quentin Locke infiltrates a corrupt patents company, only to run into the gleaming terror of its robot protector, the Automaton. In order to save the beautiful Eva Brent and find a cure for the dreaded Madagascar Madness, Locke suffers an inhuman array of tortures and physical restraints. He is chained, tied with barbed wire, padlocked in a crate and thrown in the water, tied beneath a descending elevator, strapped to an electric chair, and bound in an elaborate Oriental torture chamber.

Carter Holmes, master criminologist, must help the oft-kidnapped Ruth Stanhope to find the 9 daggers that will unlock the secret of the cursed Devil's Trademark!

Columbia Pictures elevated a run-of-the-mill B-western supporting player, Marshall Reed, to the title role in this equally run-of-the-mill western serial released in 15 chapters. Like most serials in the '50s, Riding with Buffalo Bill consisted of quite a bit of budget-stretching stock footage telling a highly fictionalized account of Buffalo Bill Cody aiding a group of ranchers in their defeat of a local crime lord. The serial's assistant director, Leonard Katzman, later produced the long-running television series Gunsmoke and Dallas.

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.

Spies from Japan conspire to steal the Channing "preparedness" fortune and invade the United States, beginning in New York, then allying themselves with Mexicans across the border. They are stopped by the efforts of munitions factory heiress Patria Channing and U.S. Secret Service agent Donald Parr.

Thierry drops out of school to apprentice as a lion tamer at the zoo where he meets Roselyne, who shares his passion. They fall in love and when he loses his job, the young lovers journey across France finding odd jobs at several circuses. In Germany, they fall under the tutelage of ageing big cat trainer, Klint, and while they are closer to realising their dreams, they find that their success drivers them part.

"Red" Davison(Buck Jones), the sheriff of Sun Dog, sacrifices his job and his good name to save his best friend, "Silent" Slade from the hangman's noose, following a framed-up court decision which sentences Slade to hang for the murder of "Scotty McKee (J.P. McGowan). Davidson allows Slade to escape from jail and follows him to aid him in proving his innocence.

After being defeated in a fight by a local gang, local official Lu Fengyang sends his weak and sickly son Lu Xiaoqing to study with a master of the Kunlun school of martial arts. Recovered and strong, he comes upon the Red Lotus Temple, and puts up there for the night. Unable to sleep, he begins looking around the palatial temple, and discovers a room decorated with many images of Buddhist demons, and an altar to worship them... Purposely destroyed serial film whose 19 full length chapters (averaging 86 minutes each) originally ran 27 hours in length.

A circus on the verge of bankruptcy decides to save itself by staging a animal act with lions and tigers for the first time.

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.

In this 12 Chapter serial the UN enlists trader Tom Rogers and Vivian Wells, to lead the effort to prevent the natives from starting a revolution in Burmatra and its neighbors.

Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob, and fiancé, Bert Moore, help with the search. They unearth a scheme to kidnap another girl, Natalie Van Cleef, and the evidence takes Bob and Bert to an estate on Long Island.

This serial, starring boxer Leslie King, is presumed lost.

A mad doctor named Zanoff uses a drug to bring himself back from the dead after his execution in prison. Dick Tracy sets out to capture Zanoff before he can put his criminal gang back together again.