Synopsis: Home video from 1988 reveals the origins of the supernatural encounters experienced by sisters Katie (Paranormal Activity) and Kristi (Paranormal Activity 2).
Cast: Christopher Nicholas Smith, Jessica Tyler Brown, Sprague Grayden, Lauren Bittner, Chloe Csengery, Katie Featherston, Dustin Ingram
Directors: Henry Joost and Ariel Schulman
Studio: Paramount
MPAA Rating: R
Release Date: October 21, 2011
