Cells at Work! CODE BLACK
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Anime DetailsFINISHED

Format
TV series
Episodes
13
Episode length
24 min
Total watch time
5 h 12 min
Status
Finished
Aired
January 8, 2021 – March 19, 2021
Season
Winter 2021
Source
Manga
Music
Yuugo Kanno
Age rating
PG — Teens 13 or older
Country
Japan
AniList score
73/100
Also known as
CaW alt, CaW gaiden, Cells at Work Black
Score across sites
7.55/10
Official site
saibou-black.com
Estimated watch time
5h 12m
⚡ 3 days at 5 eps/day

Tags & Tropes

Educational98%Dystopian95%Seinen86%Work85%Primarily Adult Cast83%Anthropomorphism79%Episodic79%Medicine78%Male Protagonist75%Drugs74%
TVFINISHED2021 WINTER7.3 / 10 AniList score

Cells at Work! CODE BLACK

はたらく細胞BLACK• Hataraku Saibou BLACK
overview details

Synopsis

A rookie Red Blood Cell has been bustling about, frantically making oxygen deliveries all around the body! But his workplace is on the brink of going Code Black!! Drinking, smoking, stress, sleep deprivation... Struggling to survive a life not unlike the brutal corporate world, what must these overworked cells be thinking at the end of the day? This is a tale about the inside of your body... (Source: Funimation) Notes: - The episodes were streamed two days ahead of the Japanese broadcast on Funimation beginning on Jan 8, 2021 at 2:30 JST. The regular TV broadcast started on Jan 10, 2021 at 0:00 JST. - Episodes 3 and 4 were broadcast in Japan as a one hour special episode on Jan 19, 2021 at 1:40 JST.

Main cast & voice actors

Should you watch Cells at Work! CODE BLACK?

Probably, if you enjoy action, drama and sci-fi, especially stories with educational, dystopian, seinen.

Reception is positive but mixed: 73/100 on AniList, with 50% of 19.9K ratings at 8/10 or higher. It's the #54 highest-rated anime of 2021.

About 9.1% of viewers drop it, which is typical.

At about 5 h 12 min in total, it is a short commitment — a weekend binge.

Where to Watch Officially

Availability, audio and subtitles vary by region and service.

Episodes

13 episodes are listed.

Creators & key staff

Original creator
Akane Shimizu
Original creator
Shigemitsu Harada
Series composition
Hayashi Mori
Character design
Eiji Abiko

Where it fits in the series

    Full franchise watch order

    Opening & ending themes

    Openings (1)

    1. OP1“Hashire!” · eps 1-13

    Endings (1)

    1. ED1“Ue wo Muite Hakobou” · eps 2-13

    Theme data from AnimeThemes.moe.

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    Cells at Work! CODE BLACK FAQ

    How many episodes does Cells at Work! CODE BLACK have?

    Cells at Work! CODE BLACK has 13 episodes of about 24 minutes each, roughly 5 h 12 min in total.

    How long does it take to watch Cells at Work! CODE BLACK?

    About 5 h 12 min back to back. At two episodes a day it takes 7 days; at one hour a day, about 6 days.

    Is Cells at Work! CODE BLACK finished?

    Yes. Cells at Work! CODE BLACK has finished airing — the final episode aired March 19, 2021.

    Is there a season 2 of Cells at Work! CODE BLACK?

    No sequel is listed for Cells at Work! CODE BLACK as of October 2026. You can continue the story in the original manga.

    Is Cells at Work! CODE BLACK based on a manga?

    Yes. Cells at Work! CODE BLACK adapts the manga by Akane Shimizu.

    Who animated Cells at Work! CODE BLACK?

    Cells at Work! CODE BLACK was animated by LIDENFILMS and directed by Hideyo Yamamoto.

    Who sings the opening of Cells at Work! CODE BLACK?

    The opening, "Hashire!", is performed by an uncredited artist.

    Where can I watch Cells at Work! CODE BLACK?

    Cells at Work! CODE BLACK is listed on Crunchyroll, iQ, Netflix. Availability varies by region — check the streaming links on this page.