Matthew McConaughey’s survival drama The Lost Bus premiered Friday at the Toronto International Film Festival, delivering an unrelenting, stress-inducing portrayal of a wildfire rescue that places audiences in the same cramped, perilous space as its characters.

Directed by Paul Greengrass and inspired by the 2018 Camp Fire in Paradise, California, the 130-minute film follows a school bus carrying 22 children, a panicked teacher and a determined driver as they race to escape a town being ravaged by flames. Greengrass stages much of the picture from inside the vehicle, seeking to make viewers feel the heat, the smoke and the panic.

Greengrass, who is known for a kinetic documentary-inflected style, keeps the camera aboard the bus for long stretches, creating an immersive atmosphere that reviewers said is frequently effective. As smoke creeps in and fires intensify beyond the windows, the onboard environment begins to resemble an oven, and a series of intense dilemmas confront both adults and children on board.

Critics at the Toronto screening noted the film’s ability to sustain tension through sound design, tight framing and intermittent bursts of violence, including sequences of oil tank explosions that rattle the carriage and its occupants. The staging and production design emphasize immediate sensory threat rather than wide establishing shots, a choice that amplifies the film’s claustrophobic urgency.

The Lost Bus does not avoid the ethical choices embedded in disaster narratives: moments of leadership, sacrifice and panic present difficult questions for the characters, and the film lingers on those decisions as part of its dramatic thrust. Reviewers said those dilemmas contribute to the film’s stress-inducing power, even as other elements — pacing and narrative cohesion — occasionally falter.

The film is scheduled to open in theaters on Sept. 19 and will arrive on Apple TV+ on Oct. 3. At festival screenings, McConaughey’s presence and Greengrass’ direction drew attention for attempting to balance blockbuster-level thrills with a grounded depiction of civilian evacuation.

The Lost Bus takes as its subject one of California’s most devastating recent wildfires. The 2018 Camp Fire destroyed much of the town of Paradise and resulted in a large number of deaths and wide-ranging community displacement, making disaster-management and evacuation a fraught and emotionally charged topic for the film to dramatize.

Reviewers at TIFF were divided on how successfully the film translated that real-world tragedy into a contained, high-tension thriller. Praise centered on the film’s immersive technical approach and its capacity to make viewers physically uneasy; criticism focused on moments where the film’s momentum stalled or where narrative choices felt overwrought.

McConaughey and co-star at TIFF premiere

Greengrass’ decision to emphasize the limited point of view—largely keeping the audience on the bus—has drawn comparisons to other filmmakers who experiment with camera perspective to heighten immersion. One critic contrasted the method to Steven Soderbergh’s experimental camera work in Presence, while noting that Greengrass opts for a more conventional but relentless intensity.

Audience members and reviewers described The Lost Bus as a film that deliberately tests viewers’ nerves: its combination of threatened children, contained space and external inferno is engineered to provoke anxiety. The film’s focus on immediacy over broader context leaves some narrative questions unanswered, according to critics, but the immediacy is often what makes it compelling.

Premiere attendees at TIFF

The Lost Bus joins a recent wave of disaster and survival films that draw on real events to explore human behavior under extreme stress. As it prepares for its commercial rollouts in theaters and on streaming, the film is likely to prompt conversation about the responsibilities of dramatizing recent tragedies alongside discussions of cinematic technique and the limits of immersive filmmaking.

Running 130 minutes, The Lost Bus aims to keep viewers inside its emergency until the final frame, offering a visceral depiction of evacuation and survival even as critics weigh its dramatic successes against moments that, for some, undercut its overall impact.