A New England home is terrorized by a series of murders, unbeknownst to the guests that a gruesome secret is hiding in the basement.

– Exclusive specially produced HD master in the world’s best 4K quality

– New remastered original German cinema sound

– Audio commentary by Dr. Gerd Naumann, Christopher Klaese and Marco Gessner

– Audio commentary by film historian Troy Howarth

– tenebrarum booklet by Martin Baege

– Video feature by Prof. Dr. Marcus Stiglegger

– Special with Antonella Fulci

– Special with Massimo Antonello Geleng

– Special with Giorgio Mariuzzo

– Special with Gianetto de Rossi

– Meet the Boyles: Interview with Catrriona Maccoll and Paolo Malco

– Children of the Night: Interview with Giovanni Frezza and Silvia Collantina

– Tales of Laura Gittleson: Interview with Dagmar Lassander

– A Haunted Ghost Story: Interview with the authors Dadano Sacchetti and Elisa Briganti

– calling dr Freudstein: Interview with Stephen Thrower

– House Quake: interview with author Giorgio Mariuzzo

– To build a better Death Trap: Interview with cinematographer Sergio Salvati, special make-up effects artist Maurizio Trani, special effects artist Gino de Rossi and actor Giovanni de Nava

– Interview with Catriona MaColl

– My time with terror: Interview with Carlo de Mejo

– Bonus scene

– German trailer

– US trailers

– Italian trailer

– TV spot

NOT ALL EXTRAS MAY BE ENGLISH FRIENDLY