Box office update: 'Paranormal Activity: The Marked Ones' scares up $8.7 million on Friday | EW.com
MOVIECLIPS - In honor of 'Paranormal Activity 2's' release ten years ago, we're taking a look back at the box office for the entire 'Paranormal Activity' franchise. Which one do you think
Paranormal Activity ou la naissance d'un buzz - L'Express
Paranormal Activity: Next of Kin - Box Office Mojo