Beware Boiúna (2026)

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Lionsgate’s giant-snake creature horror from director Mike P. Nelson. A medical mission in the Amazon becomes a fight for survival when the ancient predator Boiúna awakens. Now playing in theaters — this page follows it to physical media.

News and Updates

Timeline

10/06/2026

Lionsgate’s Creature Horror Beware Boiúna Now in Theaters — Final Trailer Released

The news: Lionsgate has released the final trailer for Beware Boiúna — the giant-snake creature horror is now playing in theaters as of October 2. Early festival notices are strong for the subgenre: 9/10 from JoBlo and 4/5 from Bloody Disgusting.

• Final trailer arrived September 23; tickets went on sale ahead of the October 2 opening.
• Nelson and McElroy have history — McElroy wrote the 2003 Wrong Turn that Nelson rebooted in 2021.
• Nelson is set to direct the next Saw with James Wan producing.

Official Trailer

Official Video

Movie Information

Reference

StudioLionsgate

DirectorMike P. Nelson

WriterAlan B. McElroy

StarringKiana Madeira, Jessica Rothe, Logan Marshall-Green

Theatrical10/02/2026

Runtime104 minutes

RatingR

StatusIn theaters