Backrooms: The Summer Horror Hit That Started on YouTube 2026

The summer's most promising horror movie, Backrooms, isn't coming from a traditional Hollywood studio—it originated on YouTube. Produced by indie powerhouse A24, the film opens in the US today and hits Spain on June 5. With an 87% positive rating on Rotten Tomatoes and projected opening earnings of $45–50 million, it's poised to become A24's biggest debut ever. But the buzz isn't just about the box office; a controversy over who really directed the film has added fuel to the fire.

What Happened: The Directing Controversy

Days before release, rumors swirled on social media that a more experienced director had secretly helmed the project. Some pointed to Osgood Perkins, a producer on the film and director of the acclaimed Longlegs. The speculation suggested that Kane Parsons, the film's young credited director, might not have been in full control. The rumor gained traction quickly, threatening to overshadow the film's debut.

Mark Duplass, who stars alongside Chiwetel Ejiofor, Renate Reinsve, and Finn Bennett, addressed the rumor head-on on X (formerly Twitter). "I don't remember seeing you on set," he wrote. "When I was there, Kane was 100% in control. More than many directors with triple his age." Duplass's unequivocal support for Parsons seems to have quieted the chatter—for now.

The Origin of Backrooms: From 4chan to the Big Screen

The journey of Backrooms from internet meme to Hollywood film is as unconventional as its source. On May 12, 2019, an anonymous user posted a single photograph on 4chan's /x/ paranormal board. The image showed an abandoned office space with yellowed wallpaper and damp carpet, devoid of context or signature. It quickly sparked a collaborative creepypasta phenomenon, with users inventing elaborate lore about a liminal dimension of endless, maze-like rooms.

Kane Parsons, then a teenager, was among those captivated. He began creating short YouTube videos set in the Backrooms universe, using found footage and analog horror techniques. His videos went viral, amassing millions of views and catching the attention of A24. The studio, known for backing visionary projects like Everything Everywhere All at Once and Hereditary, saw potential in Parsons' fresh approach and greenlit a feature film.

Why It Matters: A New Model for Horror

Backrooms represents a seismic shift in how horror content is discovered and produced. Traditionally, studios have controlled the pipeline from script to screen, but here, a creator from the internet's fringes has been handed the reins. Parsons' rise from YouTube to a major studio release is a testament to the democratization of filmmaking—and a sign that Hollywood is paying attention to online communities.

The film's success could encourage studios to take more risks on digital-native creators. It also highlights the power of participatory culture: the Backrooms mythos was built collectively, and the movie benefits from an already-engaged fanbase. As audiences grow weary of recycled IP, original concepts with grassroots appeal may become even more valuable. The background to this story is set out in A24's Backrooms Re-Release Adds 15 Minutes: What It Means. A related thread runs through The Odyssey Dominates Summer: Nolan's Epic Redefines Blockbuster. Earlier coverage in Christopher Nolan's The Odyssey Dominates Blockbuster Battle shows how the argument developed.

What to Watch Next: Box Office and Beyond

All eyes are on Backrooms' opening weekend. If projections hold, it will surpass A24's previous best debut, Hereditary, which opened to $13.6 million in 2018. However, the film faces stiff competition from other summer releases, including the already-successful Obsession, which has been outperforming expectations. A closer look at the same subject appears in Christopher Nolan's The Odyssey Dominates July Blockbuster Battle. Anyone following the wider picture can start with Christopher Nolan Forces Rivals to Flee in Blockbuster Battle. The same theme surfaces in Hungry Review: Hippo Horror Movie Bayou Attack Thrills, which takes a different angle.

Beyond the numbers, the controversy over Parsons' authorship raises questions about credit and mentorship in Hollywood. Will Parsons be embraced as a wunderkind, or will skeptics continue to question his authority? The answer may shape how young filmmakers are perceived in an industry that often equates experience with age. Context on how this played out before sits in Scariest Non-Horror Movies: Readers Share Their Terrifying Picks. A companion piece, Backrooms to The Monkey: Seven Best Films to Watch on TV This Week, approaches the same subject from another angle.

Key Takeaways

• Backrooms is A24's latest horror release, projected to earn $45–50 million in its opening weekend.
• The film originated from a 2019 4chan post and was popularized by Kane Parsons' YouTube videos.
• A rumor that Parsons didn't fully direct the film was shut down by star Mark Duplass.
• The movie's success could signal a new era for internet-born content in Hollywood.
• It opens in the US today and in Spain on June 5.

Comparison: Backrooms vs. Traditional Horror Releases

FAQ