The Hope Diamond Mystery

Famed aviator Bruce Gentry is working with scientist Andrew Benson, setting out to uncover the origin of a deadly secret weapon---an electronically controlled flying disc which can be directed at moving or stationary targets. The disc was master-minded by an enemy agent known only as "The Recorder" because...he speaks entirely via recordings. Aided by rancher Frank Farrell and his sister Juanita "Nita" Hodges, Gentry consistently foils "The Recorders" schemes, which are carried out by "The Recorder's" henchmen, Krendon, Allen and Chandler, including an attack on the Panama Canal.

Eight people embark on an expedition into the Congo, a mysterious expanse of unexplored Africa where human greed and the laws of nature have gone berserk. When the thrill-seekers -- some with ulterior motives -- stumble across a race of killer apes.

In 17th century New England, witch hunter Giles Redferne captures an evil warlock, but the conjurer eludes death with supernatural help. Flung into the future, the warlock winds up in the 1980s and plans to bring about the end of the world. Redferne follows the enchanter into the modern era and continues his mission, but runs into trouble in such unfamiliar surroundings. With the help of a young woman, can Redferne finally defeat the warlock?

While the gang travel to Scotland to visit Daphne's cousin and witness the annual Highland Games, they find themselves terrorized by the legendary Loch Ness Monster.

Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's 40th sound-era serial. Eagle Scout Bruce Scott, leader of Martinsville Troop Number One, and his pack sets off in search of lost treasure and finds adventure

A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.

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

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

A 6th-century Scandinavian warrior named Beowulf embarks on a mission to slay the man-like ogre, Grendel.

A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six others to help him teach the people how to defend themselves, and the villagers provide the soldiers with food.

Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.

In feudal Japan, during a bloody war between clans, two cowardly and greedy peasants, soldiers of a defeated army, stumble upon a mysterious man who guides them to a fortress hidden in the mountains.

A few decades after the destruction of the Inca Empire, a Spanish expedition led by the infamous Aguirre leaves the mountains of Peru and goes down the Amazon River in search of the lost city of El Dorado. When great difficulties arise, Aguirre’s men start to wonder whether their quest will lead them to prosperity or certain death.

A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivory thieves, a girl with a mysterious past, and a troublesome gorilla.

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

The Phantom Rider helps Mary Grayson thwart a plot to steal her land.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

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