All Known Versions- DVD |
All Known Versions- Bluray |
All Known Versions- UltraHD Bluray |
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| Audio Commentary (100 mins) |
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| The Art of Seduction: Looking Back on Knock Knock (28 mins) |
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| Establishing Shot with Eli Roth (4 mins) |
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| Deleted Scenes (5 mins) |
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| The Art of Destruction: The Making of Knock Knock (15 mins) |
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| Trailer (2 mins) |
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| Photo Gallery Slideshow (2 mins) |
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| Still Gallery (Still Gallery) |
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All Known Versions- DVD |
All Known Versions- Bluray |
All Known Versions- UltraHD Bluray |
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1- The Still Gallery features includes all stills from the Photo Gallery feature plus additional stills. Some of the stills shared between the features are framed differently on the Photo Gallery feature to show more of the picture than what can be seen on the Still Gallery edition. However, we consider those stills the same for the purposes of indexing and therefore the Photo Gallery Slideshow feature is NOT considered to have exclusive content.
UltraHD Bluray |
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NOTES: |
The UltraHD Bluray includes some new features and most of the previously released features but lacks some of the stills from the Still Gallery feature on the previous releases. |
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UltraHD Bluray |
Standard DVD or Bluray |
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NOTES: |
Any other release provides the Still Gallery feature to complete your feature set. |
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LAST UPDATED 12/05/2025