Most Helpful Guy
The original headspin in "The Exorcist" fron the 1970s still scares me and the demonic voice.
Most Helpful Girl
The Ring - When the grieving mother remembers the moment they open the closet showing her dead daughter says "I saw her face..." and then you see her dessicated gray nasty face
The Ring 2 - Samara racing up the well
The Exorcism of Emily Rose - when Emily Rose is sitting in a classroom and looks to the side... the guy sitting next to her suddenly opens his jaw and demonic blackness comes out.