The Wild Beasts (1984)
The water supply for a large city zoo becomes contaminated with PCP, and the animals go crazy and get loose
Mondo cane (1962)
A shockumentary consisting of a collection of mostly real archive footage displaying mankind at its most depraved and perverse, displaying bizarre rites, cruel behavior and bestial violence
Mondo Cane 2 (1963)
The official sequel to the original shockumentary, presenting new and bizarre behavior from around the world, including cruelty, graphic gore, and strange rituals