The ancient vampire Count Dracula arrives in England and begins to prey upon the virtuous young Mina.

This iconic horror film follows the obsessed scientist Dr. Henry Frankenstein (Colin Clive) as he attempts to create life by assembling a creature from body parts of the deceased. Aided by his loyal misshapen assistant, Fritz (Dwight Frye), Frankenstein succeeds in animating his monster (Boris Karloff), but, confused and traumatized, it escapes into the countryside and begins to wreak havoc. Frankenstein searches for the elusive being, and eventually must confront his tormented creation.

Mary Shelley reveals the main characters of her novel survived: Dr. Frankenstein, goaded by an even madder scientist, builds his monster a mate.

A strange prehistoric beast lurks in the depths of the Amazonian jungle. A group of scientists try to capture the animal and bring it back to civilization for study.

Working in Dr. Cranley's laboratory, scientist Jack Griffin was always given the latitude to conduct some of his own experiments. His sudden departure, however, has Cranley's daughter Flora worried about him. Griffin has taken a room at the nearby Lion's Head Inn, hoping to reverse an experiment he conducted on himself that made him invisible. Unfortunately, the drug he used has also warped his mind, making him aggressive and dangerous. He's prepared to do whatever it takes to restore his appearance, and several will die in the process.

In 1921 a field expedition in Egypt discovers the mummy of ancient Egyptian prince Im-Ho-Tep, who was condemned and buried alive for sacrilege. Also found in the tomb is the Scroll of Thoth, which can bring the dead back to life. One night a young member of the expedition reads the Scroll out loud, and then goes insane, realizing that he has brought Im-Ho-Tep back to life. Ten years later, disguised as a modern Egyptian, the mummy attempts to reunite with his lost love, an ancient princess who has been reincarnated into a beautiful young woman.

A practical man returns to his homeland, is attacked by a creature of folklore, and infected with a horrific disease his disciplined mind tells him can not possibly exist.