Lights Out (2016)

Lights Out is a 2016 American supernatural horror film directed by David F. Sandberg (in his major directorial debut), written by Eric Heisserer and stars Teresa Palmer, Gabriel Bateman, Billy Burke and Maria Bello. It is based on Sandberg's 2013 short film of the same name and features Lotta Losten, who starred in the short. It was released theaterically on July 22, 2016.

Plot
When Rebecca (Teresa Palmer) left home, she thought that her childhood fears were behind her. As a young girl growing up, she was never really sure of what was real when the lights went out at night. Now, her little brother Martin (Gabriel Bateman) is experiencing the same unexplained and terrifying events that jeopardized her safety and sanity. Holding a mysterious attachment to their mother (Maria Bello), the supernatural entity has returned with a vengeance to torment the entire family.