Fair slasher flick. Nothing particularly original here, but a perfectly good watch if you're in the mood for a good old-fashioned massacre and aren't terribly worried about quality acting or story (it is a slasher flick, after all).
Not bad, not great - just genre fluff.
This review of Knock Knock (2008) was written by Kylie C on 26 Jul 2008.
Knock Knock has generally received mixed reviews.
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