A roustabout joins a traveling carny and schemes to figure out the mind-reading act of Mademoiselle Zeena and her alcoholic husband.

Bart Tare is an ex-Army man who has a lifelong fixation with guns, he meets a kindred spirit in sharpshooter Annie Starr and goes to work at a carnival. After upsetting the carnival owner who lusts after Starr, they both get fired. Soon, on Starr's behest, they embark on a crime spree for cash.

A movie serial directed by Francis Ford.

A beautiful young woman is a daring master thief. She meets the young millionaire Thomas Babbington Norton, while fleeing from the scene of her latest theft.

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.

This twenty-three episode serial told the story of a secret society called The Black Hundred and its attempts to gain control of a lost million dollars.

With a reputation for seducing members of the opposite sex, regardless of their marital status, a notorious womanizer discovers a beauty who seems impervious to his charms. However, as he continues to pursue the indifferent lady, he finds himself falling in love.

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs Mel Donovan and his killer henchmen to murder them all. That will leave Manning as the sole heir to millions. However, Delores Quantero tumbles to this plot and enlists the aide of two-fisted reporter, Cliff Roberts to save all her relatives

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.

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

During the Great Depression, a con man finds himself saddled with a young girl who may or may not be his daughter, and the two forge an unlikely partnership.

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.