The first teaser trailer for “Insidious: Chapter 3” (in theaters May 29, 2015) just hit the web. The prequel is directed by Leigh Whannell, who co-wrote and also acted on the first two entries in the horror saga. This third chapter stars Dermot Mulroney, Stefanie Scott, Lin Shaye, Angus Sampson, and Whannell.

Click on the image below to be part of a Q&A with the writer/director, starting at 4PM/7PM ET.

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“The newest chapter in the terrifying horror series is written and directed by franchise co-creator Leigh Whannell. This chilling prequel, set before the haunting of the Lambert family, reveals how gifted psychic Elise Rainier (Lin Shaye) reluctantly agrees to use her ability to contact the dead in order to help a teenage girl (Stefanie Scott) who has been targeted by a dangerous supernatural entity.”