

There's Someone Inside Your House
Everyone has a secret to die for.
As the countdown to graduation begins, students at Osborne High are being stalked by a maniac intent on exposing their darkest secrets to the entire town, terrorizing victims while wearing a life-like mask of their own face. With a mysterious past of her own, Makani and her friends must discover the killer's identity before they become victims themselves.
TMDB
5.3/10
807 votes
IMDb
Not rated yet
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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- English
- high school
- small town
- based on novel or book
- coming of age
- serial killer
- female protagonist
- slasher
- murderer
- home invasion
- murder mystery
- murder spree
- teen horror
Top billed cast

















Behind the camera
Where to watch
Availability for India. Provided by JustWatch through the TMDB API.
Stream
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Videos
Release dates
United StatesUS
- PremiereFantastic Fest24 Sept 2021
- Digital / OTTNRNetflix (TV-MA)6 Oct 2021
United KingdomGB
- Digital / OTTNetflix6 Oct 2021
BrazilBR
- Digital / OTT18Netflix6 Oct 2021
FranceFR
- Digital / OTT18Netflix6 Oct 2021
GermanyDE
- Digital / OTT18Netflix6 Oct 2021
GreeceGR
- Digital / OTT16+Netflix6 Oct 2021
HungaryHU
- Digital / OTT166 Oct 2021
JapanJP
- Digital / OTTR18+6 Oct 2021
PolandPL
- Digital / OTT16Netflix6 Oct 2021
SingaporeSG
- Digital / OTTM18Netflix6 Oct 2021
South KoreaKR
- Digital / OTT199 Jun 2021
SpainES
- Digital / OTTNetflix6 Oct 2021
Frequently asked questions
There's Someone Inside Your House was released on 24 September 2021.
Audience reviews
1- F6/10
furious_iz
10/14/2021
Better than average modern slasher. It is derivative, because it is a slasher, by it's very nature it kinda has to be derivative. But it's smarter than it seems, even if it is basic towards the end. There's some good acting and an actual plot for the main characters, even if the killer reveal is cheap, obvious and uninspired. Still, I found myself engrossed instead of just watching while playing on my phone. It's…
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