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Celluloid
Documentary Sundance 2024 Editor's Pick

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

Directed by Shiori Ito · 2024 ·

Short answer

Is Black Box Diaries worth watching?

Yes. Black Box Diaries (2024) earns an 85% Celluloid Score. That puts it in our Recommended tier. Critics (96%) were notably more enthusiastic than audiences (88%). See the 4 inputs.

85%
Celluloid Score Recommended

4-input transparent breakdown

96% Editorial Rating
88% Audience snapshot · excluded
85 Metascore
★★★★☆ Letterboxd 4.1
7.5 IMDb /10
0
Watch Trailer
Runtime
1h 43m
Age rating
15 (UK) · MA 15+ (Australia) · NC16 (Singapore) · 15 (South Korea) · G (Japan)
Cast
Shiori Ito
Streaming
fuboTV, Paramount+
Country
Japan
Language
Japanese

Also known as Quatro Paredes 블랙 박스 다이어리 黑箱日记 黑箱日記 หรือเธอคนเดียวที่ผิด?

🏆 2 nominations

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 rating inputs; audience sentiment is shown separately. Consult the source notes for verification dates where recorded.

Best for

  • Viewers who want a well-regarded documentary pick
  • Short runtime — easy weeknight watch

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 an 85% Celluloid Score. That puts it in our Recommended tier. It suits viewers who want a well-regarded documentary pick. Read our full review (4.3/5).

    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.

    , Founder & Editor

    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

    Short review 4 min read English Black Box Diaries

    Black Box Diaries (2024) Review: A Survivor Holds the Camera

    Black Box Diaries is Shiori Ito's Oscar-nominated documentary about investigating her own sexual assault in Japan, a raw and urgent act of self-exposure.

    Yes. It is a gripping, courageous documentary about pursuing justice against powerful institutions, for viewers ready for distressing subject matter.

    Kaiser Khan Founder & Editor

    Black Box Diaries stills

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

    Black Box Diaries production still 1
    Black Box Diaries production still 2
    Black Box Diaries production still 3
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    Black Box Diaries production still 5
    Black Box Diaries production still 6

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

    Reader takes

    No reader takes published yet. Send yours and we may publish it after editing.

    Black Box Diaries: frequently asked questions

    Is Black Box Diaries worth watching?

    Yes. Black Box Diaries (2024) has a Celluloid Score of 85%, averaged from the available Celluloid editorial, Metascore, Letterboxd and IMDb ratings. That puts it in our Recommended tier. Audience sentiment is shown separately and does not change the score.

    Where can I watch Black Box Diaries?

    In the United States, Black Box Diaries streams on fuboTV, Paramount+ with a subscription, and you can rent it from Amazon Video, Apple TV, Google Play, YouTube or buy it from Amazon Video, Apple TV, Google Play, YouTube. Elsewhere: KlikFilm in Indonesia; Shahid in the United Arab Emirates. Availability changes; the where-to-watch table on this page is refreshed from TMDB.

    How long is Black Box Diaries?

    Black Box Diaries runs 1 hour 43 minutes (103 minutes).

    What is Black Box Diaries rated?

    Black Box Diaries is rated 15 in the UK, MA 15+ in Australia, NC16 in Singapore, 15 in South Korea and G in Japan. These are the official classifications as recorded on TMDB; check your local classification board for content advice.

    Who stars in Black Box Diaries?

    Black Box Diaries is directed by Shiori Ito and stars Shiori Ito.

    What is the Metascore for Black Box Diaries?

    Metacritic's Metascore for Black Box Diaries is 85 out of 100. It is one of the inputs to the Celluloid Score.

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