Conducting clandestine experiments within the morgue at Miskatonic University, scientist Herbert West reveals to a fellow graduate student his groundbreaking work concerning the re-animation of fresh corpses.
Dr. Frankenstein and his monster both turn out to be alive, not killed as previously believed. Dr. Frankenstein wants to get out of the evil experiment business, but when a mad scientist, Dr. Pretorius, kidnaps his wife, Dr. Frankenstein agrees to help him create a new creature.
A mutated rat has been let loose in a city.
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.
Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.
A cliché hunchbacked evil scientist's assistant aspires to become a scientist himself, much to the displeasure of the rest of the evil science community.
A crazed scientist experimenting with a rage virus on innocent victims in a laboratory in the woods. When his monstrous subjects escape and vultures devour their remains, they became mutations seeking to feed on humans.
A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.
Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.
Dr. Leon Kravaal develops a potential cure for cancer, which involves freezing the patient. But an experiment goes awry when authorities believe Kravaal has killed a patient. Kravaal freezes the officials, along with himself. Years later, they are discovered and revived in hopes that Kravaal can indeed complete his cure. But human greed and weakness compound to disrupt the project.
Dr. Henryk Savaard is a scientist working on experiments to restore life to the dead. When he is unjustly hanged for murder, he is brought back to life by his trusted assistant. Re-animated he turns decidedly nasty and sets about murdering the jury that convicted him.
Once again tampering with mother nature to disastrous results, Dr. Herbert West continues his research while serving time in a maximum security prison for his previous exploits. West's limited prison-cell experiments are suddenly interrupted by the arrival of a new prison doctor and the brother of the girl who suffered from West's experiments 13 years earlier.
For devilishly mad "astro-scientist" Dr. DeMarco (John Carradine), a typical day involves run-ins with reanimated corpses, bloodthirsty solar-powered killer robot zombies, Chinese communist spies and vicious Mexican secret agents. But when a bloody trail of young female murder victims leads an intrepid CIA agent to his door, things get really interesting. Ted V. Mikels directs this unique B horror-thriller.
Dr. Laurence, a once-respectable scientist, begins to research the origin of the mind and the soul. The science community rejects him, and he risks losing everything for which he has worked. He begins to use his discoveries to save his research and further his own causes, thereby becoming... a Mad Scientist, almost unstoppable...
A renegade federal agent uses a new drug to create an army of unbeatable warriors.
A story about a scientist who is obsessed with communicating with the dead.
A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard his private ship.
A hunchback working in a morgue falls in love with a sick woman. He goes berserk when she dies and seeks help from a scientist to bring her back from the dead.
An ex-vaudeville actor is working as the assistant to a doctor who has Frankenstein aspirations. The ex-vaudeville actor kills the doctor and decides to assume the identity of the dead physician.
A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary growth hormones. Women develop miraculous regenerative powers, but men mutate into disfigured dwarves. Spiders grow to human size and intelligence.