Desperate to win the contract to clean up the abandoned Danvers State Mental Hospital, the boss of an asbestos removal company promises a fast completion. The crew have their own personal history and tensions run high, but the derelict building has its own past and they are about to uncover the dark secrets hidden within its walls.

• Audio commentary by Director and Writer Brad Anderson and Writer Stephen Gevedon
• New audio commentary by Mike White and Jed Ayres
• The Darkside: a new interview with Brad Anderson
• Mike's Session: a new interview with Stephen Gevedon
• Back to the Bat: a new interview with Producer David Collins and Director of Photography Uta Briesewitz
• Invisible Design: a new interview with Production Designer Sophie Carlhian
• The Sound of Dread: a new interview with Composers Robert Millis and Jeffery Taylor
• A Twisted Collage: Alexandra Heller-Nicholas on Session 9
• Return to Danvers documentary
• The Haunted Palace
• Horror's Hallowed Grounds: Session 9
• Story to Screen with optional Director commentary
• Deleted scenes and alternate ending with optional Director commentary
• Rigid slipcase with new artwork by Christopher Shy
• Soft cover book with new essays by Charles Bramesco, Simon Fitzjohn and Alexandra Heller-Nicholas plus behind-the-scenes and location images