Where to watch Knock, Knock, It's Mom! (2021)
In BR, Knock, Knock, It's Mom! is streaming on Amazon Prime Video, Looke, Looke Amazon Channel, Amazon Prime Video with Ads.
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| Country | Stream (subscription) | Free | Free with ads | Rent | Buy |
|---|---|---|---|---|---|
| BR |  Amazon Prime Video  Looke  Looke Amazon Channel  Amazon Prime Video with Ads | — | — |  Apple TV Store  Amazon Video  Google Play Movies | Apple TV Store Amazon Video Google Play Movies |
| DE | — | — | — | Apple TV Store Amazon Video Google Play Movies  YouTube  MagentaTV  maxdome Store  Sky Store  Kino on Demand  Videoload  Freenet meinVOD | Apple TV Store Amazon Video Google Play Movies YouTube MagentaTV maxdome Store Sky Store Videoload |
| ES | Amazon Prime Video Amazon Prime Video with Ads |  Tivify | — | Apple TV Store  Rakuten TV Google Play Movies Amazon Video | Apple TV Store Rakuten TV Google Play Movies Amazon Video |
| FR | — | — | — | Apple TV Store Google Play Movies  Orange VOD YouTube Rakuten TV  Canal VOD  Sooner Amazon Video  TF1+  Pathé Home  VIVA by videofutur  Premiere Max | Apple TV Store Google Play Movies Orange VOD YouTube Rakuten TV Canal VOD Sooner Amazon Video Pathé Home VIVA by videofutur Premiere Max |
| MX | Amazon Prime Video Looke Amazon Channel Amazon Prime Video with Ads | — | — | Apple TV Store Amazon Video Google Play Movies | Apple TV Store Amazon Video Google Play Movies |
Availability data via JustWatch through TMDB. Listings change often — last refreshed 8 Oct 2026.