
Beware Boiúna
Witness terror on a gigantic scale.
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.
Directed by Mike P. Nelson · Action · Horror · Thriller · 104 min · 2026
Trailer
Director
Mike P. Nelson
Studio
Constantin Film / JB Pictures
Release
2026-10-01
Runtime
104 min
Genres
Action, Horror, Thriller
Full Plot
In the depths of the Amazon rainforest, a medical mission takes a deadly turn when they inadvertently awaken an ancient and powerful serpent known as the Boiúna. The creature, driven by a primal urge to reclaim its territory, sets in motion a desperate struggle for survival. The group must fight to stay alive against a formidable foe.
Cast & Characters

Kiana Madeira

Jessica Rothe

Shawn
Jackson Bews

Miguel
Juan Pablo Shuk
Callum
Will Close
Pedro
Vicente Peña
Diego
Mateo Moreno
Raúl
Jaime Newball
Proctor
Christophe de Geest
Guilherme
Nelson Camayo
Did You Know?
Did You Know Beware Boiúna was originally announced under the working title Titan?
Source: Wikipedia · verified 2026-09-09
Did You Know the film's production shifted to Boiúna: Legend of the Amazon before being finalized as its current title?
Source: Wikipedia · verified 2026-09-09
Did You Know Beware Boiúna is produced by Robert Kulzer and Jeremy Bolt, who have collaborated on previous projects like Resident Evil?
Source: Wikipedia · verified 2026-09-09
Did You Know the screenplay was co-developed by Alan B. McElroy and Tony Giglio, drawing from Brazilian folklore?
Source: Wikipedia · verified 2026-09-09
Critical Assessment
Beware Boiúna is newly added and doesn't yet have enough aggregated ratings data to summarize.
Not enough independent critic/audience score breakdown available.
Ratings as of September 9, 2026
Where to Watch
United States
Streaming data from JustWatch via TMDb. Availability changes often — confirm on the provider before watching.
AI Verdict
AI-generatedToo early for a meaningful verdict — check back as ratings data comes in via the site's daily refresh.
Frequently Asked Questions
Is Beware Boiúna good? What are critics saying?+
Beware Boiúna is newly added and doesn't yet have enough aggregated ratings data to summarize.
How long is Beware Boiúna?+
Beware Boiúna has a runtime of 104 min.
Who directed Beware Boiúna?+
Beware Boiúna was directed by Mike P. Nelson.
Where can I watch Beware Boiúna?+
Beware Boiúna is available to stream, rent, or buy on Fandango At Home.
Fan & Critic Buzz
The public reaction to the trailer comments emphasizes that it has sparked strong opinions on the film, with some calling for a remade version of Anaconda and others appreciating the attention given to Brazilian folklore. Some reviewers are excited about the prospect of seeing a new take on the character. The tone is overwhelmingly positive, indicating a desire for more content featuring Boiuna.
From the trailer's comments
I'm Brazilian, so I'm here to talk about the legend. Boiuna is from Brazilian folklore and is an ancient, mystical snake. She had two children who can transform into humans: Maria Caninana and Honorato. Honorato is good, and Maria is evil. That's all I need to explain a little ab…
@Craftmaniaedits20088 · 1936 likesthis is what Anaconda's remake should've been
@keiverdiaz2724 · 2732 likesFinally a serious thrilling Anaconda movie
@faridrrrafi2839 · 1353 likesFinally sharks got some rest!
@Rasim9898 · 1185 likesThe Anaconda remake we deserved.
@steve94183 · 1043 likesAs far as I'm concerned this is the real Anaconda remake
@Carlos_Quintero_ · 587 likesFinally some horror based on south American mythology
@beardedgringo6064 · 388 likesLong live creature features. This is the type of movie that change the trajectory of a young cinema lover. Hope this will land the same place as Anaconda I and II, Lake Placid, Jaws, Deep Blue Sea, Deep Rising, Crawl and Piranha 3.
@compilemama · 128 likes








