Speaking of friends and speaking of vampires, this slightly cheesy adaptation of Stephen King's Salem's Lot happens to contain one scene that will really mess with kids.

A description just won't do it justice. It's a simple "let me in" scene between two boys, one of whom is a vampire. It's been done before and since in countless vampire movies, but this one is special thanks to the eerie sound of the vampire's nails impatiently tapping against the glass. The moment is over almost as soon as it begins, but it was enough to scar countless children who walked into the living room at exactly the wrong time.