Key visual 1

First Key Visual

Cells at Work!  (Hataraku Saibō (はたらく細胞?)) is the anime adaption of the original manga series produced by David Production, aired on July 7, 2018 and ongoing with 13 episodes.

Plot Edit

The story follows the world of a human's body which is represented as cities with roughly 37.2 trillion anthropomorphic cells who work together endlessly daily to run their world. Everyday, they struggle to remove and resist against pathogenic cells such as germs and bacteria from invading the body.

A ditzy red blood cell who is new to her job, AE3803 and a ruthless white blood cell who is a part in the immune system, U-1146 are featured in the story as protagonists. As a red blood cell, AE3803 transports goods such as oxygen and nutrients. On the other hand U-1146 patrols the blood vessels and destroys threats.

Staff Edit

Studio: David Production

Key visual 2

Second Key Visual

Director: Kenichi Suzuki

Producer: Yuma Takahashi

Writer: Yūko Kakihara, Kenichi Suzuki

Color Designer: Aiko Mizuno

Music Composer: Kenichirō Suehiro

Voice Cast (Japanese) Edit


Main Characters

Minor Characters

Songs Edit


Opening Cover

Opening Theme - Mission! Ken・Kou・Dai・Ichi

  • Lyrics, Composition by Mayuko/Yū mao (ゆうまお)
  • Arrangement by Kenichiro Suehiro (末廣 健一郎)
  • Sung by Kana Hanazawa, Tomoaki Maeno, Daisuke Ono, Kikuko Inoue

Ending Theme - CheerS

  • Sung by ClariS
  • Lyrics, Composition, Arrangement by LIVE LAB.

List of Episodes Edit

No Title Air Date
1 Pneumococcus

肺炎球菌, Haienkyuukin

July 7, 2018
2 Scrape Wound

すり傷, Surikizu

July 14, 2018
3 Influenza

インフルエンザ, Infuruenza

July 21, 2018
4 Food Poisoning

食中毒, Shokuchūdoku

July 28, 2018
5 Cedar Pollen Allergy

スギ花粉アレルギー, Sugikafun Arerugī

August 4, 2018
6 Erythroblasts and Myelocytes

赤芽球と骨髄球, Sekigakyū to Kotsuzuikyū

August 11, 2018
7 Cancer Cells

がん細胞, Gansaibō

August 18, 2018
8 The Circulatory System

血液循環, Ketsueki Junkan

August 25, 2018
9 Thymocytes

胸腺細胞, Kyōsen Saibō

September 1, 2018
10 Staphylococcus aureus

黄色ブドウ球菌, Ōshoku Budō Kyūkin

September 8, 2018
11 Heat Stroke

熱中症, Netchūshō

September 15, 2018
12 Hemorrhagic Shock (Part I)

出血性ショック(前編), Shukketsusei Shokku (Zenpen)

September 22, 2018
13 Hemorrhagic Shock (Part II)

出血性ショック(後編), Shukketsusei Shokku (Kōhen)

September 29, 2018