The MPAA rating mentions nudity that isn't listed here yet.
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Times added by CringeMDb are from a subtitle for the 1h 39m release;
other versions can be off by a minute or so.
When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse.
No, Knock Knock is not safe to watch with your parents or kids because it contains sex scenes and nudity.
Is Knock Knock appropriate for kids?
No, Knock Knock is not appropriate for kids because it contains sex scenes and nudity.
* 86.5% of CringeMDB users flagged the content of Knock Knock as being inappropriate for children to watch with their parents because of either of a nude scene, a sex scene, or a scene depicting rape or sexual violence.
