Mandrake and his assistant Lothar are working the cruise lines and make the acquaintance of Professor Houston who has developed a radium energy machine, which is much coveted by a masked Crime Lord known as "The Wasp".

A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.

A woman protects the beasts and the natives in a jungle in the Congo.

Highlights the personal and professional lives of a group of doctors and surgeons headed by Dr. Konrad Styner. One of the first medical shows on TV that paid strict attention to detail, and heralded at the time for its sometimes unflinching look at the operations and medical procedures performed by doctors.

Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.

The adventures of master detective Sherlock Holmes as he and his assistant, Dr. Watson--and, somewhat reluctantly, the bumbling Inspector Lestrade--battle criminals in London.

Jerry and Pamela North live in Greenwich Village in New York City. Jerry is a mystery magazine publisher who thinks he is a good amateur detective. He and his wife investigate various crimes and solve them before the police do.

Railroad detective Matt Clark roams the west, tracking down outlaws and bandits who are preying on the railroad.

Former combat cameraman Mike Kovac is now a freelance photographer in New York City, specializing in difficult and dangerous assignments where he can get the kinds of pictures that other photographers can't, or won't take. He sometimes gets help, often reluctantly, from his contact in the police department, Lt. Donovan, and advice from his immigrant father Anton.

Saloon owner Barnet wants the Indian reservation land on which he knows there is gold, and organizes a gang, aided by some renegade Indians, to raid and terrorize close-by settlers,hoping to arouse them to drive off the Indians. Rancher Jerry Randall, accompanied by school teacher Nancy Cooper, sets out to defeat the plot. In order to win the loyalty of the innocent tribe members, Randall masquerades as a legendary friend of the Indians, El Latigo.

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

During the latter stages of the Civil War, a gang of supposed Confederates, headed by Alex Morel (Lionel Atwill), raid all gold shipments destined for Washington from Oro Grande, California. In the first chapter, "Murder By Accident", Captain Steve Clark (Dennis Moore), is recognized as a Union Secret Service agent by Morel's accomplice Trina Dessard (Virginia Christine), and, with his friend Idaho Jones (Joe Sawyer), is ambushed in the baggage car and sent to almost certain death when the car is un-coupled and plunges down the mountainside. Leaping to safety, in order to be around for the next 12 chapters, Idaho and Steve report to Colonel Sewell (Addison Richards) in Oro Grande, and Idaho introduces himself as a Wells Fargo detective to Cathy Haines (Wanda McKay), the Oro Grande company agent. Steve and Idaho learn that the Morel raiders are only posing as Confederates, and their headquarters are at Morel's "Golden Eagle" saloon. In a raid on the hideout, Steve's brother Jim (Gene Garrick) is killed by the gang. The next victim is Confederate Army Captain Clay Randolph (Regis Toomey) who has discovered that Morel is connected with a group of Prussian spies and gives Steve a clue before he dies. The clue leads Steve to a San Francisco dive owned by Abel Rackerby (Charles Wagenheim), who, thinking he has Steve in his power, exposes the ring's activities and operation methods. Aided by the San Francisco Secret Service, Steve escapes and returns to Oro Grande, where in Chapter 13, "Golden Vengeance", he and Idaho round up the spies.

Cowboys and a businessman compete to find lost treasure.  

A mad scientist tries to sell his formula for a dist integrating gas to foreign powers.