The story is based around "spermulites", the alien inhabitants of a dying planet. The only way they can save their planet is by sucking the men of planet earth dry of sperm, kind of like horny vampires.
Director:Charles Matton
Dracula
War of the Worlds
Mars Attacks!
The Black Water Vampire
Terminator 3: Rise of the Machines
Predator 2
A Girl Walks Home Alone at Night
The Purple Monster Strikes
Predator
Assignment Terror
Monster Mash: The Movie
Lust for Frankenstein
Frankenstein, the Vampire and Company
Frankenstein: Italian Style
The Horrible Sexy Vampire
Dracula, Prisoner of Frankenstein
The Broken
We Are Not Alone
Captive State
Frankenstein Meets the Space Monster