• Commentaries:
    Audio Commentary with Writer/Director Eli Roth, Co-Writer Nicolas Lopez, Producer/Actor Colleen Camp and Actor Lorenza Izzo
  • Extras:
    Deleted Scenes with Optional Commentary
    - Destruction” (3:15)
    - “Alternate Ending” (1:35)
    "The Art of Destruction: The Making of Knock Knock" featurette (14:42)
    Still Gallery (62 stills)
    Start-up Trailers for "John Wick", "The Last Exorcism", "Cabin Fever", "the Saw series"
  • Subtitles:
    English, English HoH, Spanish
  • Aspect Ratio:
  • Picture Format:
    1080p24 AVC MPEG-4
  • Soundtrack(s):
    English DTS-HD Master Audio 5.1
  • Case type:
    Keep Case

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