I Drink Your Blood

The top half of a legendary drive-in double bill, paired by distributor Jerry Gross with the re-titled 1964 clunker I Eat Your Skin (formerly Voodoo Blood Bath), this outrageously gory film involves the escapades of a group of devil-worshipping hippies looking for kicks in a small rural town.

To this end, they manage to slip a few tabs of LSD to an elderly man -- triggering a fatal freak-out -- and the man's teenage grandson exacts a vicious revenge by selling the hippies meat pies injected with the blood of a rabid dog.

Before long, the infected kids are leaping at each other's throats in a cannibal feeding frenzy, spreading the disease like wildfire through the small community.

Blood and body parts fly in all directions until nearly the entire cast has been devoured -- with the exception of one young woman who carries the contagion to the rest of the world, beginning with a pair of unsuspecting construction workers.

Aside from the aforementioned double-billing, this intense, well-made exploitation item is also notorious for being one of the first to receive an X from the MPAA solely for its graphic violence.