Having grown sick and tired of his centuries as Dracula's lackey, Renfield finds a new lease on life — and maybe even redemption — when he falls for feisty, perennially angry traffic cop Rebecca Quincy.
After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
After his brother's death, Larry Talbot returns home to his father and the family estate. Events soon take a turn for the worse when Larry is bitten by a werewolf.
Though safely entombed in a crypt deep beneath the unforgiving desert, an ancient queen whose destiny was unjustly taken from her is awakened in our current day, bringing with her malevolence grown over millennia, and terrors that defy human comprehension.
Doctor Frankenstein creates a mate for his monster, a woman called Eva, who promptly rejects the male creature. In turn, the doctor becomes obsessed with Eva, and tries to make her a perfect Victorian woman.
A strange old hermit uses witchcraft to give life to the Frankenstein monster. Will the creature be his instrument of revenge, or will it turn on its creator?
The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.
Kitty Carroll, an attractive store model, volunteers to become a test subject for a machine that will make her invisible so that she can use her invisibility to exact revenge on her ex-boss.
A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When the former partner also claims to have since lost the mine and all its wealth, which he took all for himself, and though the partner is still living in a state of luxury , the madman takes up an offer from a crazed scientist to make him invisible, something the scientist has already done with experimental animals, so that he can take revenge.
The Invisible Man's grandson uses his secret formula to spy on Nazi Germany.
A high priest of Karnak travels to America with the living mummy Kharis (Lon Chaney Jr.) to kill all those who had desecrated the tomb of the Egyptian princess Ananka thirty years earlier.
After being buried in quicksand for the past 25 years, Kharis is set free to roam the rural bayous of Louisiana, as is the soul of his beloved Princess Ananka, still housed in the body of Amina Mansouri, who seeks help and protection at a swamp draining project.
An Egyptian high priest travels to America to reclaim the bodies of ancient Egyptian princess Ananka and her living guardian mummy Kharis. Learning that Ananka's spirit has been reincarnated into another body, he kidnaps a young woman of Egyptian descent with a mysterious resemblance to the princess. However, the high priest's greedy desires cause him to lose control of the mummy...
Lawrence Talbot, an American man on a visit to Victorian London to make amends with his estranged father, gets bitten by a werewolf and, after a moonlight transformation, leaves him with a savage hunger for flesh.
Famed monster slayer Gabriel Van Helsing is dispatched to Transylvania to assist the last of the Valerious bloodline in defeating Count Dracula. Anna Valerious reveals that Dracula has formed an unholy alliance with Dr. Frankenstein's monster and is hell-bent on exacting a centuries-old curse on her family.
A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the physical causes of lycanthropy in wolf-man Larry Talbot and of vampirism in Count Dracula, but himself becomes afflicted with homicidal madness while exchanging blood with Dracula.
The crew of the merchant ship Demeter attempts to survive the ocean voyage from Carpathia to London as they are stalked each night by a merciless presence onboard the ship.
An ancient Egyptian priest named Imhotep is revived when a British archaeological expedition finds his mummy and one of the researchers accidentally reads an ancient life-giving spell. Imhotep escapes from the field site and searches for the reincarnation of the soul of his lover.
Following a tragic accident that leaves him disfigured, crazed composer Erique Claudin transformed into a masked phantom who schemes to make beautiful young soprano Christine Dubois the star of the opera and wreak revenge on those who stole his music.
Bud and Lou, two stranded American archaeologists, run afoul of an Egyptian cult with big plans to resurrect the mummified corpse of Klaris, guardian of his Princess Ara's treasure-filled tomb. When Lou accidentally eats the cursed medallion needed to find the ancient treasure, the two become targets of the cult's leader, his goons, a mysterious femme fatale, and the mummy of Klaris himself!