A schooner disappears at sea without a trace. Years later, evidence of possible survivors prompts the mother of the schooner's mate Jose to hire a tuna boat to investigate. They discover the lad living happily on a South Seas island, and, when he refuses to leave with them, they abduct him. However, Jose gets revenge by leading the ship into the lair of a mysterious giant manta ray.

When a treasure hunter seeks a downed airplane in the jungles of Africa, he encounters one of the passenger's young daughter, now fully grown, and with a gorilla protector.

One dark and stormy night, an escaped convict, an embezzler, a runaway daughter, her intended and her father, and a gangster take refuge in a remote inn called "The Black Raven" after the nickname of a second gangster who owns it; and murder ensues.

Billy the Kid has been wrongfully arrested for robbing a train. In order to prove his innocence, the Kid breaks out of jail and hits the trail to search for the real robbers. Along the way, he discovers that an outlaw band has been impersonating upstanding ranchers.

When a small town doctor buries his twin brother, a practitioner of the black arts, he believes him dead; but subsequent events force him to realize that his brother has, in fact, returned from the dead as a vampire and is seeking revenge on the doctor, who had killed him in self-defense.

A big-game hunter travels to Malaya to help stop the Nazis and Japanese from destroying the rubber industry.

A mad scientist changes his simple-minded handyman into a werewolf in order to prove his supposedly crazy scientific theories - and exact revenge.

A lawman captures the notorious "Pecos Kid", who is tried and hanged for his crimes--then starts to have doubts as to whether the Kid actually committed the crimes.

When legendary hunter Bob Rainsford is shipwrecked on the perilous reefs surrounding a mysterious island, he finds himself the guest of the reclusive and eccentric Count Zaroff. While he is very gracious at first, Zaroff eventually forces Rainsford and two other shipwreck survivors, brother and sister Eve and Martin Towbridge, to participate in a sadistic game of cat and mouse in which they are the prey and he is the hunter.

Tim takes a job as a lowly chipper because he has been afraid to go high ever since a bad fall in which he was injured and another workman was killed.

Leo, a former convict, is living in seclusion on an island with his step-daughter, the daughter of his late wife. Leo was framed by a group of former business associates, and he also suspects that one of them killed his wife. He has invited the group to his island, tempting them by hinting about a hidden fortune, and he has installed a number of traps and secret passages in his home. He is aided in his efforts by a former cell-mate who holds a grudge against the same persons. When everyone arrives, the atmosphere of mutual suspicion and the thick fog that covers the island promise a tense and hazardous weekend for everyone.

Cutthroat pirate William Kidd captures Admiral Blayne's treasure ship and hides the bounty in a cave. Three years later, Kidd, posing as a respectable merchant captain, offers his services to the King of England. Seeking a social position, Kidd also negotiates for Blayne's title and lands, provided he can prove Blayne was associated with piracy. Launched upon his royal mission, Kidd is unaware that Blayne's son Adam is among the crew, determined to clear his father's name.

A meek reporter happens upon a murder, an escaped gangster and a stolen jade chess set.

Buster Crabbe and Johnny Weissmuller battle it out in Cajun country! Johnny, a riverboat pilot on the Mississippi, is seduced away from his fiance (Carol Thurston) by a rich outsider (Virginia Grey) who's nursed him back to health after a serious accident. She owns a large piece of the swamp and has outlawed hunting on her property. His rival Mike (Crabbe) is a trapper who harbors deep resentment for Johnny and his new wealthy friends. When he feels Johnny is responsible for the hunting ban, he resorts to destructive acts of vengeance.

An insurance salesman, Albert Tuttle, is hired as a body guard for a millionaire.

Young female models are being strangled. Will law enforcement be able to stop the crime wave before more women become victims?

A young woman, a trio of singers, and a mystery writer are among the guests at a house long-considered to be haunted.

After one member of their group is murdered, the performers at a burlesque house must work together to find out who the killer is before they strike again.

A nurse is taking an amnesia victim, who was imprisoned by the Japanese during WW II, to the United States in a plane piloted by Richard Denning. The passengers include a Japanese colonel on his way to Manila to face war-crime charges, and a couple who were married on the day they were liberated from a Japanese prison camp. During the flight, the colonel breaks away from his guards, causes the plane to go out of control, and it crashes into the sea. The survivors get into a rubber boat and go through a minor-league version of "Lifeboat, with no Alfred Hitchcock sightings, until Air-Sea Rescue pilot Jim Willis rides to the rescue.

Notorious shootist and womanizer Quirt Evans' horse collapses as he passes a Quaker family's home. Quirt has been wounded, and the kindly family takes him in to nurse him back to health against the advice of others. The handsome Evans quickly attracts the affections of their beautiful daughter, Penelope. He develops an affection for the family and their faith, but his troubled past follows him.

The adventurous and remarkable life of the US writer Jack London (1876-1916).

Story of a boy and his horse. Mike is the horse and is owned by Speck and his best friend Jimmy, together they have a paper route, on which they deliver papers to customers via a wagon pulled by Mike. Recently a horse track has been built in the area and attracts horse breeder and racer Colonel Whiteny. He takes out a subscription for delivery and meets Mike and Speck & Jimmy. Clever Jimmy talks both the Colonel and Speck into taking on the Colonel's pure bred race horses at the track with comedic results.

Gridley is mining silver from an old Mexican mine and bringing it into the USA thru a passage into his worthless mine. Border guard Rogers suspects Gridley and finally finds the secret entrance to the Mexican mine. He sends Lee Madison for help only to have her captured by Gridley. Trigger brings help that takes care of Gridley's men and now Roy has to rescue Madison.

Newlyweds Webster and Jackie Frye spend their honeymoon in a sinister old country house. Before long, they are besieged by a gang of crooks, searching for a fortune in diamonds. With the help of chauffeur Harmony Jones, the honeymooners attempt to outsmart the villains.

When Dr. Von Altermann's wife Lila dies mysteriously at his spooky mansion her relations suspect murder. They also suspect the doctor is turning her into a zombie, to join the army of living dead he hopes to devote to the Nazi cause. However, Lila, though dead, has developed a will of her own.

A naval officer who had deserted several years earlier is drawn back to the Navy when World War II begins. He re-enlists under an assumed name, and is assigned to a minesweeper, where he has to perform hazardous duties while at the same time keeping his real identity a secret.

A scientist is turned into an ape man.

A woman is married to the son of a doctor, the proprietor of a private sanatorium, where she is under unwilling treatment. Both the son and the doctor indicate they want the marriage dissolved. Arriving at the scene is a mysterious personage identified as the doctor's brother who formerly was a stage magician in Europe. He is accompanied by a threatening dwarf...

Two pilots, who happen to be half-brothers, compete for the same girl as well as the same air cargo assignment.

Germany's Adolf Hitler, with his Axis-stooges, Italy's Mussolini and Japan's Suki Yama, although he tried to avoid taking them, is on his way, via submarine, to a tropical country to negotiate a treaty with the High Chief Paj Mab. However, an American P.T-boat crew is already there and have some plans for schickenbit-grubber and his buddies.