Knock Knock

Continuity mistake: When Keanu is talking with his wife on the tablet, he closes his shirt with his left hand, but in the image of him on the tablet, his shirt is still open.

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Mistakes

Factual error: In the end credits, when the listing of songs used in the film is rolling, the Kiss song is listed as "Detroit City Rock." Actually, the song title is "Detroit Rock City." (01:38:10)

Belasko44

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Quotes

Bel: I'm glad we knocked on your door.

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Questions

Question: How did Bel and Genesis know about the conversation Ethan had with his family before his family left for the beach? He asked them were they spying on him, but the conversation was in the house. How do they know what was said?

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