Set in 1988, the film explores the early days of the haunting experienced by sisters Katie and Kristi. When their parents bring home a new VHS camera, they begin to capture strange occurrences in their home. These disturbing events escalate, revealing the presence of a demonic entity that seems to be targeting the young girls.

Paranormal Activity 3 received generally positive reviews from critics, who praised its effective jump scares and the expansion of the franchise's mythology. Many felt it was a return to form for the series, delivering suspense and terror effectively, though some critics noted its reliance on familiar scares.

• Praised for its creative use of found footage and effective suspense.
• Noted for successfully amplifying the scares and deepening the lore of the series.
• Some critics found the pacing slow in parts, relying heavily on jump scares.

Google audience: Audience reviews generally indicate that 'Paranormal Activity 3' is a frightening and well-executed installment in the series, with many appreciating the effective scares and the backstory it provides. Some viewers felt it was predictable, but the overall sentiment is that it delivers on the horror promised by the franchise.

The film was shot with a mix of modern digital cameras and period-appropriate VHS camcorders to achieve the authentic 1988 look and feel.