What is the PROOF Film Festival?

The PROOF Film Festival is an event in Los Angeles that showcases proof-of-concept short films by emerging filmmakers and helps them transition their projects into feature-length films.

Hailey Gates is the writer and director of the Sundance-winning feature film "Atropia," which will have its Los Angeles premiere at the PROOF Film Festival.

What is the "Pitch Deck Show & Tell" at the PROOF Film Festival?

The "Pitch Deck Show & Tell" is an event at the PROOF Film Festival that allows filmmakers to present their feature and series concepts to a live audience of industry professionals, who then provide real-time feedback to help refine the projects.

Home / Arts and Entertainment / PROOF Festival Expands to Support Filmmakers' Journeys from Shorts to Features

PROOF Festival Expands to Support Filmmakers' Journeys from Shorts to Features

21 Oct, 2025

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Summary

PROOF festival returns with screenings, panels, and development funds for award-winning shorts
Sundance winner "Atropia" to premiere, showcasing a short film's evolution into a feature
"Pitch Deck Show & Tell" event allows filmmakers to present ideas to industry professionals

PROOF Festival Expands to Support Filmmakers' Journeys from Shorts to Features

In October 2025, the American Cinematheque in Los Angeles is hosting the third edition of its PROOF film festival, which has expanded to provide more support for emerging filmmakers. The event, which runs from November 7-9, will feature screenings of proof-of-concept short films, along with panels and development funds to help these filmmakers take their projects to the next level.