'The Evil Dead' (1981)
Five friends on a cabin retreat uncover the Book of the Dead and a convenient taped translation of the text. Once the tape is played, all hell breaks loose as unspeakable evil is unleashed. Each victim is possessed and transformed into "deadites," with our unfortunate hero, Ash, having to kill his friends to survive.
Creepiest Scene: An unlucky girl, Cheryl, gets raped by trees.