---
title: "Beware Boiúna"
year: 2026
kind: "film"
canonical: "https://film.one/film/beware-boiuna"
fi1m_id: "beware-boiuna"
imdb_id: "tt10377864"
tmdb_id: 1244523
wikidata_id: "Q141052811"
critics_reviews: 2
updated: "2026-10-22T04:02:12.399050+00:00"
region: "BR"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Beware Boiúna (2026)

Directed by Mike P. Nelson · 1h 44m · Horror, Thriller

## Identity

Beware Boiúna

- **Canonical:** https://film.one/film/beware-boiuna
- **Type:** Film
- **Fi1m ID:** beware-boiuna
- **IMDb ID:** tt10377864
- **TMDB ID:** 1244523
- **Wikidata ID:** Q141052811
- **Same entity:** https://www.imdb.com/title/tt10377864/, https://www.themoviedb.org/movie/1244523, https://www.wikidata.org/wiki/Q141052811

> **Coming soon.** Opens in Brazil on 12 November 2026. Our review follows once the critics have had their say, usually within two days of release. The facts below are the distributor's and TMDB's.

## Synopsis

Deep in the Amazon, a medical mission spirals into a fight for survival when Boiúna, a colossal ancient predator, awakens to reclaim her domain. In the jungle where nature holds absolute power, she decides who lives and who dies.

### Reviews we read (2)

- **Slant Magazine**, Rocco T. Thompson (2.5/4): The critic finds the film an effective creature feature that balances thrills with a critique of white meddling. They praise its atmospheric, on-location depiction of the Amazon and the fearsome reveal of the serpent. [Read](https://www.slantmagazine.com/film/beware-boiuna-review/)
- **The AV Club**, Matthew Jackson (C): The critic finds the film a frustrating, murky disappointment that squanders its monster-movie premise. He praises several gripping set pieces but says rushed pacing and poor visibility smother their impact. [Read](https://www.avclub.com/beware-boiuna-review-big-snake-monster-movie-jessica-rothe)

## Details

- **Director:** Mike P. Nelson
- **Director:** Mike P. Nelson
- **Writer:** Alan B. McElroy
- **Story:** Tony Giglio, Alan B. McElroy
- **Cinematography:** Nick Junkersfeld
- **Editor:** Tom Elkins
- **Music:** Stephen Lukach
- **Production design:** Angélica Perea
- **Producer:** Robert Kulzer, Jeremy Bolt
- **Cast:** Logan Marshall-Green as Brennan Malloy; Kiana Madeira as Lena; Jessica Rothe as Alli; Jackson Bews as Shawn; Juan Pablo Shuk as Miguel; Will Close as Callum; Vicente Peña as Pedro; Jaime Newball as Raúl
- **Runtime:** 1h 44m
- **Release (Brazil):** 12 November 2026
- **Genres:** Horror, Thriller
- **Production:** Constantin Film, JB Pictures, Jaguar Bite, North.Five.Six.
- **Trailer:** https://www.youtube.com/watch?v=MQKqgFVU4dQ

## Where to watch in Brazil

Not streaming, renting or buying in Brazil at the last check.

Also available in: CA, US. Add `?region=XX` to this URL for another country.

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/film/beware-boiuna