Is Hataraku Saibou Black good to watch with a friend?
Easy to drop in. Hataraku Saibou Black (Cells at Work! CODE BLACK) is a TV series from Winter 2021 by Liden Films Inc., Lidenfilms: 13 episodes, about 5 hours in total, finished, 7.55/10 across the listing sites.
Watching it together: easy to drop in. Episodic: you can start tonight without a plan, and a missed episode does not ruin it. about 5 hours for the run, 7 evenings at two a night. Rule: episodic, slice-of-life, or comedy/action ≤ 26 episodes → easy to drop in.
This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.
The facts
- Type
- TV series
- Episodes
- 13
- Episode length
- 23 min
- Total time
- about 5 hours — a weekend
- First aired
- Winter 2021
- Status
- Finished
- Studio
- Liden Films Inc., Lidenfilms
- Score
- 7.55/10 across the listing sites
- Tags
- action, manga adaptation, comedy, drama, dystopian, episodic, gore, sci-fi, seinen, survival, swordplay, tragedy, violence, workplace
Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale. Also listed as: Cells at Work! CODE BLACK!; Cells at Work Black; Cells at Work! Black: Lavori in corpo.
Do you and a friend both want to watch Hataraku Saibou Black?
Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Hataraku Saibou Black flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.
Or open it on AniList or MyAnimeList.
Related anime
More like this: action · manga adaptation · comedy · drama · dystopian · sci-fi · seinen · survival · swordplay · tragedy · workplace.
Quick answers
- How long does it take to watch all of Hataraku Saibou Black?
- About 5 hours for all 13 episodes at 23 min each — a weekend; at two episodes a night that is 7 evenings.
- How many episodes does Hataraku Saibou Black have?
- 13 episodes of 23 min.
- Is Hataraku Saibou Black finished?
- Yes, Hataraku Saibou Black is finished (13 episodes), so you can watch the whole thing at your own pace.
- Is Hataraku Saibou Black good for a group?
- Yes. Hataraku Saibou Black is tagged action, comedy, the tags that survive a room full of people talking over the screen.
- Where is Hataraku Saibou Black listed?
- Hataraku Saibou Black is on AniList (id 117533) and MyAnimeList (id 41694); Queue Up keys it by its AniList id and shows it when it is on either of your lists.
Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists