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Videos: Trailers, Teasers, Featurettes
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.
Knock Knock streaming: where to watch online?
Currently you are able to watch "Knock Knock" streaming on Amazon Prime Video or for free with ads on Tubi TV.