The Trail of the Octopus

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

Molly Stewart, a teen at the top of her class who survives by working nights as a prostitute on Hollywood Blvd, finds her world beginning to fall apart when a depraved, necrophiliac serial killer begins targeting LA’s streetwalkers.

Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a theft of information that will allow Mabuse to make huge profits on the stock exchange. Afterwards, Mabuse disguises himself and attends the Folies Bergères show, where Cara Carozza, the main attraction of the show, passes him information on Mabuse's next intended victim, the young millionaire Edgar Hull. Mabuse then uses psychic manipulation to lure Hull into a card game where he loses heavily. When Police Commissioner von Wenk begins an investigation of this mysterious crime spree, he has little to go on, and he needs to find someone who can help him.

The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spider to save the country.

A gang of Tripolitan pirates swooped down and kidnapped 13 wealthy brides, whom they held for ransom.

Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.

A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.

The 15 chapter story involves the heroine being protected by a shadow with burning eyes. There's also a cloak of invisibility, some hypnotism and a giant octopus added to the mix.

A sadistic serial rapist and murderer of young women terrorizes a small province in 1980s South Korea. To prevent further crimes, three increasingly desperate detectives with conflicting methods race against time to unravel the violent mind of the killer in a futile effort to solve the case.

German adaptation of Maurice Leblanc's "Arsène Lupin versus Herlock Sholmes" stories. German copyright laws allowed the producers to return "Sholmes" to the proper "Sherlock Holmes" who was portrayed by Viggo Larsen.

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Africa.

Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”; [2] “Marked for Death,”; [3] “The Gas Chamber,”; [4] “Below the Waterline,”; [5] “The Acid Bath,”; [6] “The Unknown,”; [7] “The Betrayal,”; [8] “A Crippled Hand,”; [9] “Woes of Deceit,”; [10] “The Inn of Dread,”; [11] “The Death Studio,”; [12] “The Chance Trail,"; [13] “Wings of Mystery,”; [14] “The Hidden Way,”; [15] “The Secret Host"

Paris is prey to an invisible terror against which the police can do nothing: a sinister organization that sows chaos and death. The intrepid journalist Philippe Guérande and his partner embark on a long crusade to put an end to the crimes of the Great Vampire and Irma Vep, his dangerous accomplice. (A ten episode movie serial.)

A movie serial directed by Francis Ford.

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.

The Hazards of Helen is an American melodramatic adventure film serial of 119 twelve-minute episodes released between November 7, 1914 and February 24, 1917. Most episodes of this serial are presumed lost.