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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 HBO Now Amazon Channel, Cinemax Amazon Channel, Max Go, DIRECTV. It is also possible to buy "Knock Knock" on FandangoNOW, Google Play Movies, YouTube, Apple iTunes, Vudu, Amazon Video, AMC on Demand, DIRECTV, Microsoft Store as download or rent it on FandangoNOW, Google Play Movies, YouTube, Apple iTunes, Vudu, Amazon Video, AMC on Demand, Microsoft Store online.