Sure you know what happened in front of the camera, but what about behind it? Learn more about the making of the film franchise that changed horror forever. Unknown Dimension The Story of #ParanormalActivity is now streaming on Paramount ! | Paranormal Activity

The Paranormal Activity Ultimate Chills Collection is here. 📹 For the very first time, all seven movies come together in one complete set, including the exclusive Blu-ray releases of Paranormal Activity: Next of Kin and documentary Unknown Dimension: The Story of Paranormal Activity. Get the limited-edition Paranormal Activity Ultimate Chills Collection now: paramnt.us/ParanormalUltimateChills | Paramount Scares