The third film of the Paranormal Activity series is coming to theaters soon. Check out the poster, trailer and 3 scary clips from the movie.

The third film takes place in 1988, when Katie and Kristi were kids. While trying to get video proof of Bloody Mary, Katie and Kristi are first confronted by the monstrous demon haunting them in the first and second movies along with their family. Although shown to be a prequel in the trailer, it is unconfirmed if it will be a parallel sequel like the previous film again.

Directed by Ariel Schulman and Henry Joost and distributed by Paramount Pictures, “Paranormal Activity 3” opens in theaters on October 21, 2011.

Watch the trailer and clips from “Paranormal Activity 3” here: