Should You Watch Cells at Work!#
Imagine the inner workings of the human body as a bustling metropolis. In Cells at Work! (also known as Hataraku Saibō), this concept comes to life. The story follows a hardworking red blood cell attempting to complete her deliveries in a dangerous environment, supported by a vast network of cells: the mysterious white blood cells, the aggressive killer T cells, the intellectual neurons, and the adorable platelets. Together, they fight to keep the body healthy.
If you enjoy a blend of “slice of life” storytelling and educational themes, this series is a perfect fit. It appeals to audiences who love personified characters and a creative approach to understanding biology. Whether you’re a student or just curious about how your immune system works, the series offers a unique and engaging perspective.
Looking to dive in? You can watch the anime on Prime Video to start your journey through the bloodstream.
Is the Anime Really Finished?#
If you are wondering if the story reaches a definitive conclusion through the anime alone, the answer is nuanced. While there are multiple anime entries—including sequels and side stories—the most complete version of the story exists in the source material.
The original Cells at Work! manga ran from January 26, 2015, to January 26, 2021. Because the manga is finished, readers who transition from the anime to the manga can find a satisfying and complete conclusion to the narrative.
For those who want to explore every corner of this biological world, there are numerous spinoff mangas available, including Cells at Work! Lady, Cells at Work! Code Black, and recently concluded series like Cells at Work! Medicine (ended May 2025) and Cells at Work! Cat (ended March 2026). You can buy the manga collection on Amazon to get the full experience.
Recommended Watch Order#
Because of the various sequels and spinoffs, the order in which you consume the series can change your experience. Please refer to the relationship tree below the article for a visual map of these connections.
The Release Order#
If you want to experience the series as it was aired, follow this path:
- Cells at Work! (2018)
- Cells at Work! Kaze Shōkōgun (2018)
- Hataraku Saibō!! (2020)
- Cells at Work!! (2021)
- Cells at Work! Code Black (2021)
The Completionist Order#
For those who want every single piece of anime content, we recommend starting with the main series and its direct sequels before moving to the side stories and darker spinoffs:
- Main Arc: Cells at Work! $ ightarrow$ Cells at Work! Kaze Shōkōgun $ ightarrow$ Cells at Work!!
- Side Content: Hataraku Saibō!!
- Alternative Perspective: Cells at Work! Code Black
The “Source Material” Path#
If you don’t mind reading, the best way to ensure you don’t miss any details is to watch the main anime series and then move into the extensive library of manga. This allows you to explore specialized spinoffs like Cells at Work! Baby or Cells at Work! Illegal that may not have full anime adaptations.
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Extra Tips for Fans#
If you’ve fallen in love with the characters—especially the platelets—you might want to expand your collection. There is a wide variety of Cells at Work! merchandise available to bring a bit of the human body’s hard-working cells into your home.
Keep an eye out for international releases as well; the series has seen various dubs and licenses globally, including Hindi dubs via Muse India and English print releases for Cells at Work! Lady.
Cells at Work! • manga • 2015-01-26 to 2021-01-26 (Shonen Sirius, Mar 2015 - Mar 2021)
└─(adaptation)→ Cells at Work! • anime • 2018-07-07
└─(sequel)→ Cells at Work! Kaze Shōkōgun • anime • 2018-12-26
└─(sequel)→ Cells at Work!! • anime • 2021-01-09
└─(side story)→ Hataraku Saibō!! • anime • 2020-09-05
└─(spinoff)→ Cells at Work! Code Black • anime • 2021-01-09
└─(spinoff)→ Cells at Work: Bacteria! • manga • 2017-04-03 (serialized in <i>Nakayoshi</i>)
└─(sequel)→ Cells at Work!: Neo Bacteria! • manga • 2020-12-28 (serialized on Palcy)
└─(spinoff)→ Cells NOT at Work! • manga • 2017-07-26 to 2021-11-26 (Shonen Sirius, Sep 2017 - Jan 2022)
└─(spinoff)→ Cells at Work! Code Black • manga • 2018-06-07 to 2021-01-21 (serialized in Morning, 2018 #27 - 2021 #8)
└─(spinoff)→ Cells at Work and Friends! • manga • 2019-01-12 (serialized in <i>Bessatsu Friend</i>)
└─(spinoff)→ Cells at Work: Platelets! • manga • 2019-05-25 (serialized in <i>Monthly Shonen Sirius</i>)
└─(spinoff)→ Cells at Work: Baby! • manga • 2019-10-17 to 2021-10-07 (serialized in Morning, 2019 #46 - 2021 #45)
└─(spinoff)→ Cells at Work! White Brigade • manga • 2020-10-26 to 2022-07-26 (Monthly Shonen Sirius, Dec 2020 - Sep 2022)
└─(spinoff)→ Cells at Work! Lady • manga • 2020-01-22 to 2022-09-26 (Morning two, Mar 2020 - Nov 2022)
└─(spinoff)→ Cells at Work! Illegal • manga • 2022-02-01 to 2023-07-18 (serialized on YanMaga Web)
└─(spinoff)→ Cells at Work! Cat • manga • 2023-05-25 to 2026-03-26 (Shonen Sirius, Jul 2023 - May 2026)
└─(spinoff)→ Cells at Work! Medicine • manga • 2023-05-25 to 2025-05-26 (Shonen Sirius, Jul 2023 - Jul 2025)
