Dr. Black, Mr. Hyde

Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately an insanely jealous assistant (who has fallen in love with Eddie's fiance) switches Eddie's DNA injections, transforming him into a gigantic killer.

After successfully curing a primate's heart condition, Dr. Henry Jeckyll develops a personality-enhancing serum for himself which inadvertently creates an evil alter ego personality, Edward Hyde, who sets out to terrorize college co-eds.

A rich but racist man is dying and hatches an elaborate scheme for transplanting his head onto another man's body. His health deteriorates rapidly, and doctors are forced to transplant his head onto the only available candidate: a black man from death row.

In foggy London Dr Jekyll experiments on newly deceased women determined to discover an elixir for immortal life. Success enables his spectacular transformation into the beautiful but psychotic Sister Hyde who stalks the dark alleys of Whitechapel for young, innocent, female victims, ensuring continuation of the bloodstained research. With each transformation Sister Hyde becomes the more dominant personality, determined to eventually suppress the frail, ineffectual Dr Jekyll forever.

Two opposing characters are hidden in the person of the inconspicuous London gentleman Dr. Warren and Janus. Lost film.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.

Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.

As American policemen in London, Bud and Lou meet up with Dr. Jekyll and Mr. Hyde.

In this Dan Curtis production of the Robert Louis Stevenson classic, Jack Palance stars as Dr. Henry Jekyll, a scientist experimenting to reveal the hidden, dark side of man, who, in the process of his experiment, releases a murderer from within himself.