Beware Boiúna

Beware Boiúna is a 2026 creature-horror movie directed by Mike P. Nelson. A group of doctors travels into the Amazon rainforest for a medical mission. Their arrival awakens Boiúna, a colossal snake that hunts anyone moving through its territory. The story takes place on the river and in the surrounding jungle. Kiana Madeira, Jessica Rothe and Logan Marshall-Green lead the cast. Lionsgate released a final trailer on September 23, 2026, showing the boat, the forest and several attacks without giving away the ending. The film runs approximately 104 minutes according to its distributor.

Lionsgate lists an October 2, 2026 U.S. theatrical release. The official movie site has showtimes. A streaming service and home-release date have not been announced in the official sources checked September 27, so Where to Watch remains limited to confirmed theatrical information. Release dates outside the U.S. can differ: Praesens lists November 12 for Switzerland. This page uses the official English theatrical poster and four distinct Lionsgate production stills in MEDIA.