Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. He needs human spinal fluid to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing the townspeople. Can there be a connection?
A young beauty queen travels to New York to further her modelling career, but contracts syphilis after being tricked into a sexual encounter. She is torn between the prospect of a slow, intensive but proven therapy and a supposed miracle cure.
Ebenezer Scrooge, the ultimate Victorian miser, hasn't a good word for Christmas, though his impoverished clerk Cratchit and nephew Fred are full of holiday spirit. In the night, Scrooge is visited by spirits of the past, present, and future.
James Houghland, inventor of a new method by which television signals can be instantaneously sent anywhere in the world, refuses to sell the process to television companies, who then send agents to acquire the invention any way they can. On the night of his initial broadcast Houghland is mysteriously murdered in the middle of his demonstration and it falls to Police Chief Nelson to determine who the murderer is from the many suspects present.
After a series of murders, a man finds out that his mother was bitten by a vampire bat during her pregnancy, and he believes that he may be the vampire committing the murders.
Dr. Forti carries out strange experiments, assisted by his son Pablo. They embark on an expedition to the jungle. Eight years later Forti returns without his son but strange things start to happen in the old house where they live.
A ghostly and deadly dinner party, which at first turns out to be an elaborate staging of a new play for the benefit of a Broadway producer, becomes a true mystery when the players start to go missing.
Chandu consults his crystal ball and sees that Nadji, Princess of Egypt, is in danger. She is about to be sacrificed by the black magic cult of Ubasti. Headed for the magic island of Lemuria, he is shipwrecked , washed ashore and captured. He becomes invisible, escapes and after numerous detours is able to rescue the princess.
Rival newspaper reporters Pat Morgan and Ted Rand find themselves unraveling the mystery behind the death of a millionaire philanthropist who fell from his penthouse balcony. When it is discovered that the plunge was not an accident, the building's residents come under suspicion. Soon, the body count begins to mount as three more murders occur by strangulation.
When a movie actor is shot and killed during production, the true feelings about the actor begin to surface. As the studio heads worry about negative publicity, one of the writers tags along as the killing is investigated and clues begin to surface.
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.
A wealthy landowner living in Haiti convinces a sorcerer to lure the woman he has fallen for away from her fiancé. The madman later betrays their agreement by keeping the woman for himself…As a zombie.
In 15th century France, a gypsy girl is framed for murder by the infatuated Chief Justice, and only the deformed bellringer of Notre Dame Cathedral can save her.
The village of Sleepy Hollow is getting ready to greet the new schoolteacher, Ichabod Crane, who is coming from New York. Crane has already heard of the village's legendary ghost, a headless horseman who is said to be searching for the head that he lost in battle. The schoolteacher has barely arrived when he begins to pursue the beautiful young heiress Katrina Van Tassel, angering Abraham Van Brunt, who is courting her. Crane's harsh, small-minded approach to teaching also turns some of the villagers against him. Soon there many who would like to see him leave the village altogether.
Francis, a young man, recalls in his memory the horrible experiences he and his fiancée Jane recently went through. Francis and his friend Alan visit The Cabinet of Dr. Caligari, an exhibit where the mysterious doctor shows the somnambulist Cesare, and awakens him for some moments from his death-like sleep.