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. But the experimental drug has also warped his mind, making him aggressive and dangerous. He's prepared to do whatever it takes to restore his appearance.
A mad scientist attempts to rule the world by creating various elaborate inventions.
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.
The Invisible Man's grandson uses his secret formula to spy on Nazi Germany in this comedy-thriller.
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 partmer 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.
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.
As novice detectives, Bud and Lou come face to face with the Invisible Man.
A series of ghastly murders are being committed. The one similarity in each of the murders is that a weird buzzing sound is always heard right before the murder occurs. Is the killer invisible or possibly some other incredible creature?
A man is sentenced to prison for a murder he did not commit. Thanks to a serum invented by his brother, he manages to become invisible and escape from prison in order to prove his innocence, while his brother works feverishly to find an antidote. Theatrically released in USA in Spanish language only; later English-dubbed version syndicated directly to television.
A strange sphere settles down in a California canyon, causing both the scientific and military communities to gather around to investigate.
Strange things happen in a revue theatre. The dancer Maria seems to be hunted by an invisible admirer. When the body of a probable FBI agent is found in a trunk the police asks FBI man Joe Como for help. Como gets interested in the revue theatre and an ominous transport firm soon. When he is receiving mysterious threatening letters he is sure that Dr. Mabuse has risen again. But what is going on at "Enterprise X" so that both the goverment and the mad genius in crime are interested in it?
A coward boy fencer becomes invisible and matchless through a magic pill.
A superhero becomes invisible after he swallows an Indian potion.
Young doctor Garondet is summoned by renowned Professor Orloff. At Orloff's castle, Garondet discovers that the mad scientist has created an invisible yet murderous apeman.
A horny scientist who is married to a hot wife and lives with his virginal step sister invents a drug that can make him invisible. Erotic high jinks ensue.
An impotent salaryman discovers he can have sexual experiences with unsuspecting women when he becomes an out-of-body ghost.
When Snoopy turns Charlie Brown invisible in a magic act, he has trouble changing him back.
This time the brave children from Parchis music band are facing a crazy professor who invented the invisibility formula.
After a freak accident, an invisible yuppie runs for his life from a treacherous CIA official while trying to cope with his new life.