‘Paranormal Activity 3′ Trailer Is Downright Terrifying [VIDEO]

Holy crap. For those of us who played “Bloody Mary” in our younger years, this Paranormal Activity 3 trailer on Too Fab‘s site will teach a thing or two about such tales. Out October 21st, the prequel follows the two young girls back to 1988 where they first meet the demon responsible for the first two films.

Paranormal Activity 3 opens October 21st. Watch the trailer after the jump. With someone. In broad daylight.