Beware Boiúna
Seen it?2026 | 104 min | Horror, Thriller
Weeknight Watchearly ratingWhy it’s a Weeknight Watch
With a box office flop and middling reviews (58% on Rotten Tomatoes), it's a mixed bag. Fine if it's on; don't plan your night around it.
Based on critics, audiences, awards, box office and buzz. Details below.Is it for you?
- Who'll love it
- Made for anyone who likes to be kept guessing and horror fans.
- The mood
- Scary.
- The pace
- Fast-moving, at 1 hr 44 min.
- What might put you off
- Rated R: meant for adults.
A medical mission deep in the Amazon becomes a desperate fight for survival when a colossal ancient predator awakens, turning the jungle into a deadly battleground where nature decides who lives and dies.
How it earned its rating
- CriticsBelow par
58% on Rotten Tomatoes, 49 on Metacritic
- AudiencesNot counted
Not measured yet: not enough ratings
- AwardsNot counted
Award season hasn't happened yet, so this isn't counted.
- Reach & staying powerWeak
Streaming release that reached a small audience so far
- Buzz & cultural impactBelow par
About 70K people sought it out in the past year, and interest is climbing
Trailer
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Cast & crew
Directed by Mike P. Nelson
- Logan Marshall-GreenBrennan Malloy
- Kiana MadeiraLena
- Jessica RotheAlli
- Jackson BewsShawn
- Juan Pablo ShukMiguel
- Will CloseCallum
- Vicente PeñaPedro
- Jaime NewballRaúl
- Mateo MorenoDiego
- Nelson CamayoGuilherme