Who's in It: Katie Featherstone, Sprague Grayden, Lauren Bittner, Chloe Csengery, Jessica Tyler Brown, Christopher Nicholas Smith
Director: Henry Joost, Ariel Schuman (Catfish)
The Plot: Set in 1988, two sisters befriend an invisible entity in their home, with frightening consequences. Reason to See It: Discover how the activity began with the perfect fright just in time for Halloween. The third outing in the hugely popular franchise was directed by the unpredictable masterminds behind Catfish.
To Help You Decide: Watch the trailer.