A cop chases two hippies suspected of a series of Manson family-like murders; unbeknownst to him, the real culprits are the living dead, brought to life with a thirst for human flesh by chemical pesticides being used by area farmers.
Desert ants suddenly form a collective intelligence and begin to wage war on the desert inhabitants. It is up to two scientists and a stray girl they rescue from the ants to destroy them. ...
Hoping to cure his violent seizures, a man agrees to a series of experimental microcomputers inserted into his brain but inadvertently discovers that violence now triggers a pleasurable response his brain.
A horror movie star returns to his famous role after years in a mental institution. But the character seems to be committing murders independent of his will.
Based on the Ed Gein case, a deranged rural farmer becomes a grave robber and murderer after the death of his possessive mother, whose corpse he keeps (among others) as his companion in a decaying farmhouse.
While lecturing in China, Van Helsing agrees to help seven kung fu trained siblings reclaim their ancestral mountain village, now the domain of seven powerful vampires and their army of undead slaves.
A lesbian vampire couple waylay and abduct various passer-byes, both male and female, to hold them captive at their rural manor in the English countryside in order to kill and feed on them to satisfy their insatiable thirst for blood.
After being bitten by a bat in a cave, a doctor undergoes an accelerating transformation into a man-bat, which ruins his vacation and causes considerable distress for his wife.