What is the Metascore for Black Box Diaries?

Black Box Diaries has a Metascore of 85 out of 100 on Celluloid.

Where can I watch Black Box Diaries?

Black Box Diaries is available on fuboTV, Paramount+. Availability varies by region — check your local streaming guide.

What countries is Black Box Diaries streaming in?

Black Box Diaries streams on KlikFilm in Indonesia; Shahid in the United Arab Emirates; fuboTV, Paramount+ in the United States. Subscription availability only; rental and purchase options may differ.

Black Box Diaries Review (2024) — 85% Celluloid Score

Item: Black Box Diaries
Rating: 4.3
Author: Kaiser Khan

Directed by Shiori Ito · 2024 · Last reviewed August 26, 2026

LLM fact sheet (.md)

Answer Summary

Black Box Diaries (2024) earns a 85% Celluloid Score — Recommended. Recommended — recommended by most critics and audiences.Critics (96%) were notably more enthusiastic than audiences (88%).

Quick Verdict

Calculated from 4 available inputs: Celluloid editorial rating, Metascore, Letterboxd and IMDb. Audience sentiment is shown separately and never changes the composite. See how we calculate scores.

85%

Celluloid Score Recommended

4-input transparent breakdown

96% Editorial Rating

88% Audience snapshot · excluded

85 Metascore

★★★★☆ Letterboxd 4.1

7.5 IMDb /10

Watch Trailer

Runtime: 2h 10m
Cast: Shiori Ito
Streaming: fuboTV, Paramount+
Country: Japan
Language: Japanese

🏆 2 nominations

Official theatrical poster for Black Box Diaries (2024)

MTV Documentary Films

Where to watch

fuboTV
Paramount+

Rent: Amazon Video, Apple TV, Google Play, YouTube, Fandango at Home

Buy: Amazon Video, Apple TV, Google Play, YouTube, Fandango at Home

Where to watch Black Box Diaries by country

Country	Streaming on
Indonesia	KlikFilm
United Arab Emirates	Shahid
United States	fuboTV, Paramount+

Subscription availability, refreshed from TMDB. Rental and purchase options may differ.

Why this score?

Celluloid's editorial rating is exceptional (96/100).
General viewers mostly liked it (88%).
Metascore signals universal acclaim (85/100).
Letterboxd diarists rate it highly (4.1/5).
Celluloid Score 85% combines 4 verified rating inputs; audience sentiment is shown separately.

Best for

Viewers who want a well-regarded documentary pick

Not ideal for

Scores reflect data indexed at build time. Component sources are shown on this page; Celluloid Score is our composite, not a third-party trademark. Scoring policy

Streaming availability, artwork and title metadata courtesy of TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.

Is Black Box Diaries worth watching?

Yes — Black Box Diaries earns a 85% Celluloid Score. Recommended — recommended by most critics and audiences.

Celluloid Verdict

Shiori Ito turns her own camera on her years-long fight for justice, and the rawness of that self-exposure gives this documentary an urgency that few investigative films manage to earn.
Celluloid editorial verdict

Critics (96%) were notably more enthusiastic than audiences (88%).

What is Black Box Diaries about?

BLACK BOX DIARIES follows director and journalist Shiori Ito's courageous investigation of her own sexual assault in an improbable attempt to prosecute her high-profile offender....

Watch the Trailer

Critic Reviews

critic Black Box Diaries

Black Box Diaries Review: Shiori Ito's Courageous Self-Investigation

★★★★☆ 4.3/5

Shiori Ito turns her own camera on her years-long fight for justice in Japan — raw, urgent, and impossible to look away from.

Essential documentary filmmaking.

Black Box Diaries stills

Official production imagery supplied through TMDB, kept with the movie instead of split into a thin gallery page.

Images courtesy of TMDB. TMDB does not endorse or certify Celluloid.

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