Sister poster
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Sister

202512mMovieScience Fiction

In a post-apocalyptic Argentina dominated by an alien entity that kidnaps women, Helena searches for her sister and to find her she must join a group of strangers who are organizing a resistance.

DirectorNelida Lorena Balderrama
WriterNelida Lorena Balderrama
ProducersHernán Balderrama·Belén Cingolani

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Sister was released on November 22, 2025 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Nelida Lorena Balderrama

AN
Amini Naldi
Eli
PC
Paloma Cecilia
Nati
RR
Rosie Robilotta
Mujer 1
JF
Janet Arrunategui Flores
Mujer 2
BC
Belén Cingolani
Mujer grupo 1
SG
Sofía Arancibia Gómez
Mujer grupo 2

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Sister — streaming FAQ

Which OTT platform streams Sister?

Sister isn't streaming anywhere in Australia yet.

Is Sister on Netflix?

No, Sister is not on Netflix in Australia as of September 2026.

Is Sister on Amazon Prime Video?

No, Sister isn't on Amazon Prime Video in Australia right now.

Where can I watch Sister for free?

Sister isn't streaming in Australia yet, so there's no way to watch it free at the moment.

What is the OTT release date for Sister?

Sister hasn't started streaming in Australia yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around January 10, 2026. This is a prediction, not a confirmed date.