Psychologist Charles Marlowe (Lee) invents a drug which will release his patients' inhibitions.

In Victorian England, philanthropic scientist Sir Hugo Cunningham is a member of a parapsychological society that studies psychic phenomena.

Ingrid is a young Swedish woman residing with her American uncle Carl at his farm in rural Northern California.

Victor Frankenstein (Leonard Whiting) is a newly trained doctor, engaged to Elizabeth Fanshawe (Nicola Pagett).

Dr. Roger Girard (Bruce Dern) is a rich scientist experimenting with head transplantation.

Dr. Edward Pretorius is a scientist who has developed the Resonator, a machine that allows whoever is within range to see beyond normal perceptible reality.

Set in 1830, forty years after the events of The Vampire Lovers.

Baron Victor Frankenstein, having survived the fire at the end of the previous film, is housed at an insane asylum where he has been made a surgeon and given a number of privileges, as he holds secret information on Adolf Klauss, the asylum's corrupt and perverted director.

Henry Jekyll is a troubled man. His wife died of pneumonia.

Jekyll & Hyde: Direct from Broadway is a 2001 television film of the Broadway production of the 1990 musical Jekyll & Hyde as captured live in performance on Broadway featuring the show's final Broadway cast.

Prof. Emmanuel Hildern (Peter Cushing), a Victorian era scientist, is shown meeting a young doctor in what appears to be a laboratory.

Victor Frankenstein, a cold, arrogant and womanizing genius, is angry when his father forbids him to continue his anatomy experiments.

Two beautiful women, Fran (Marianne Morris) and Miriam (Anulka Dziubinska) roam the English countryside.

The Incredible Melting Man is a 1977 American science fiction horror film directed and written by William Sachs.

Monsieur Brunel, a French detective on an exchange scheme in London, is assigned to investigate the apparent murder of novelist John Morlar.

Scars of Dracula is a 1970 British horror film directed by Roy Ward Baker for Hammer Films.

Asylum (also known as House of Crazies in subsequent US releases) is a 1972 British horror film made by Amicus Productions.

In the opening scene, Henry Jekyll, a young boy, witnesses his father committing adultery with another woman in a barn.

The movie's structure is fragmented, as it alternates between three distinguishable plot threads. A man jogging through suburban London grabs his heart, and collapses.