Continuity mistake: In the first PA, Katie says that the "ghost" was in front of her bed, however we never see it in PA3.
Paranormal Activity 3 (2011)
1 continuity mistake
Directed by: Ariel Schulman, Henry Joost
Starring: Christopher Nicholas Smith, Chloe Csengery, Jessica Tyler Brown, Lauren Bittner
Factual error: During the sleepover in the tent Dennis gives the girls M&Ms to snack on. If you look closely you can see one of the girls eating a blue M&M. These didn't hit the market until around 1995, a full 7 years after this movie takes place.
More trivia for Paranormal Activity 3