HOST.mp4 (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

HOST.mp4 is a four-minute horror short written, directed by and starring Tristan Artiles. The film follows Tristan after an encounter with a still life sends him deeper into relics tied to his internet-fueled childhood, with analog horror and backrooms elements in its metadata.

HOST.mp4 is a 2026 horror short with a compact four-minute runtime and a distinctly internet-era premise. Tristan Artiles directs the film and appears in the central role of Tristan.

The story begins with an encounter involving a still life, then moves toward the relics of Tristan’s childhood shaped by the internet. Its listed keywords—analog horror, backrooms and Unreal Engine—place it within a recognizable strain of digital and online horror without revealing more than the synopsis provides.

HOST.mp4 movie details

Story without spoilers

The film follows Tristan after he encounters a still life. From there, he travels progressively farther into relics connected to his internet-fueled childhood. The available synopsis keeps the details intentionally minimal, so the central appeal lies in the strange premise and the short film’s concentrated horror setup.

What to expect

As a four-minute horror short, HOST.mp4 is built around a brief, focused premise rather than an extended narrative. The keywords point to analog horror, backrooms imagery and Unreal Engine production, suggesting an internet-native atmosphere shaped by digital spaces and unsettling relics. No further plot or stylistic details are supplied.

Cast and creative team

Tristan Artiles is the film’s director and its credited cast member, playing Tristan. No writers are listed in the supplied credits, and no additional cast members are provided.

• Tristan Artiles as Tristan

Release and production context

HOST.mp4 is listed as a 2026 film with a release date of October 29, 2026. It is classified as Horror and has a runtime of four minutes. The supplied metadata does not specify a country, spoken language or production company.

Reported production figures:
Budget $20

Movies Dock view

With its very short runtime and premise rooted in internet-era childhood relics, HOST.mp4 presents a compact horror concept centered on Tristan’s movement into increasingly unfamiliar territory. The available details offer a clear setup while leaving the film’s specific progression and conclusion undisclosed.

Film data:
TMDB · IMDb