Watch Paranormal Activity 3 (2011) full movie online.
Synopsis: In 1988 sisters Katie (Chloe Csengery) and Kristi (Jessica Tyler Brown) seem to be enjoying a normal, happy childhood at home. But when strange things start going bump in the night, their father, a wedding videographer, decides to use his cameras to discover the source, especially since Kristi appears to having conversations with an imaginary friend. While the cameras do indeed reveal a flurry of supernatural occurrences, the family is unprepared for the terror that awaits.
Directors: Henry Joost, Ariel Schulman
Writers: Christopher Landon, Oren Peli
Stars: Chloe Csengery, Jessica Tyler Brown, Christopher Nicholas Smith
Sources: IMDB, WIkipedia