375 votes
Cells at Work!

Cells at Work!

Tochigi TV 2018

This is a story about you. A tale about the inside of your body... According to a new study, the human body consists of approximately 37 trillion cells. These cells are hard at work every day within a world that is your body. From the oxygen-carrying red blood cells to the bacteria-fighting white blood cells, get to know the unsung heroes and the drama that unfolds inside of you! It's the oddly relatable and interesting story that is the life of cells!

Anime (English Dubbed) trakt × MAL Index Anime Shows to Watch My Top Anime Show 【 Anime Summer 2018 】 The Best Anime of the Decade (2010 - 2019) Anime Series Watched Anime watched Anime Anime

The 10 Best Episodes of Cells at Work!

Cells at Work! - S1E13

#1 - Hemorrhagic Shock Part 2


Season 1 - Episode 13

"We have detected life-threatening damage!" Hearing of this emergency, White Blood Cell (Neutrophil) rushes to the blast area. But there, he finds no traces of the blood cells he's supposed to protect! Due to massive bleeding, a huge amount of blood cells have already been flung outside the wound. And the bleeding continues... The situation grows more dire every second, but to protect this world and to save her friends, Red Blood Cell continues to deliver oxygen with Li'l Kouhai Red Blood Cell. Their world is on the brink of destruction... What kind of fate lies ahead for the cells?

The episode was rated from 81 votes.

Cells at Work! - S2E2

#2 - Acquired Immunity/Peyer's Patch


Season 2 - Episode 2

Memory Cell sees a dream where the arrival of messengers from the outside signal the end of this world... As if his dream became reality, unidentified enemies enter the body! Does Memory Cell not only have the power to remember the past, but also predict the future now? Will this world be ruined as Memory Cell predicts?

The episode was rated from 16 votes.

Cells at Work! - S1E1

#3 - Pneumococcus


Season 1 - Episode 1

This is a story that happens inside a human body. One day, as a Red Blood Cell is delivering oxygen and carbon dioxide, she is assaulted by Pneumococci and rescued by a White Blood Cell. To protect the body that’s their world, the White Blood Cell (Neutrophil) chases after the one Pneumococcus who’s escaped. But the enemy has hidden himself in the most unlikely place...

The episode was rated from 143 votes.

Cells at Work! - S1E7

#4 - Cancer Cell


Season 1 - Episode 7

The enemy disguising himself as a common cell has revealed his true identity. He is Cancer Cell. To protect this world, White Blood Cell (Neutrophil), Killer T Cell, and NK Cell must now confront the attacking Cancer Cell in battle.

The episode was rated from 91 votes.

Cells at Work! - S1E12

#5 - Hemorrhagic Shock Part 1


Season 1 - Episode 12

Red Blood Cell has been assigned to train a rookie Red Blood Cell! She resolves to “show her what a dependable senpai I am!” But she keeps losing her way, and getting yelled at by other cells, so it’s not going very smoothly. Just then, a major incident rocks the world inside the body.

The episode was rated from 76 votes.

Cells at Work! - S1E8
#6 - Blood Circulation
Season 1 - Episode 8

Delivering carbon dioxide to the lungs, and bringing oxygen to cells throughout the body... That’s Red Blood Cell’s important task. Though she’s still directionally-challenged and always losing her way, she can’t be a fledgling forever. She’s determined to go through Circulation by herself without any help from the older cells, but in the shadows, White Blood Cell (Neutrophil) watches over her with a worried look on his face.

The episode was rated from 85 votes.
Cells at Work! - S2E1
#7 - Bump
Season 2 - Episode 1

One day, while White Blood Cell (Neutrophil) is busy exterminating germs, he meets Backward Cap, a Platelet who wears her cap backwards. She is secretly training to become a stronger Platelet. However, a huge rumbling noise suddenly echoes inside of the body followed by violent shaking...

The episode was rated from 24 votes.
Cells at Work! - S1E5
#8 - Cedar Pollen Allergies
Season 1 - Episode 5

The body has been invaded by a mass of cedar pollen! Rushing to the scene so that he can eliminate the cedar pollen, White Blood Cell (Neutrophil) runs into Memory Cell. Memory Cell is a Lymphocyte who retains the immune system’s memories. Seeing what’s actually going on, Memory Cell is strangely flustered. “What the heck? This is just like the legend...” What “legend” is Memory Cell talking about?

The episode was rated from 91 votes.
Cells at Work! - S1E6
#9 - Erythroblasts and Myelocytes
Season 1 - Episode 6

Let me become a great red blood cell one day... This is the story of Red Blood Cell before she became Red Blood Cell, when she was a young Erythroblast. The Erythroblasts are training hard to become full-fledged Red Blood Cells under the supervision of their teacher, Macrophage. But Erythroblast is directionally-challenged, and she’s always getting lost in the middle of drills. One day, while practicing to evacuate from bacteria, Erythroblast once again loses her way...

The episode was rated from 86 votes.
Cells at Work! - S1E10
#10 - Staphylococcus Aureus
Season 1 - Episode 10

Red Blood Cell is being chased by a germ! The one to come to the rescue is a masked Monocyte. Apparently, they are also part of the White Blood Cell family and a type of Immune Cell. There’s no way Red Blood Cell could be attacked by bacteria twice in one day, but she encounters another one on her way to the nasal cavity. The germ turns out to be Staphylococcus Aureus. They usually just exist on the skin and pores. But this time, they have a secret plan. What could it be?

The episode was rated from 80 votes.

Last updated: dec 02, 2021



It was a funny and an educational anime. Initially it was interesting but after a few episodes it felt repetitive. It was mostly about germs attacking and how to get rid of them. It seemed like there will be a pinch of romance but not even a trace of it was there. It was a decent anime at the most. Don't expect too much from this one.


I learned a lot in this anime about my body and I liked the interaction between the Blood Cell and White Cell. I enjoyed it and the palletes are so damn cute.


To be honest, the first five episodes are great. The medical explication, all the new cells, etc. But the rest of the season is pretty bad imo. [spoiler] I was expecting an end to the love story :( [/spoiler]


This is great for watching while drunk with friends.


_This review pasted to the main series page from season 1. Should the series receive an(y) additional season(s), I'll update this one if and when I watch the new episodes._ ---- Average episode rating for season one: 6.76923077 The writing is fairly good, though (at least on Crunchyroll with subtitles) the on-screen information is often presented so quickly that it's impossible to read without pausing and/or without missing dialogue/action. Presumably this effect is less of an issue for the Japanese version, though I actually didn't see any Japanese text on screen most of the time. Either Crunchyroll took it upon themselves to place so much information on screen, or they were sent source video without the Japanese text layered on so the frame wouldn't look awful with English text placed on top of existing Japanese info-dumps. Most of my issues with the series are technical: simple animations, lots of repetition between episodes, and heavy reuse of animation segments even within the same episode. The germs' voices tended to be pretty same-y, too, with pretty much the same audio effect layer used for all of them (and not much variation in their lines, either). If the show had gone on to a second cour it would have been a bit much. Aside from a special episode coming out over the upcoming holidays, I see no hint of a second season yet. If one does eventually happen, I'm not sure I would take the time to watch it. The formula has been pretty played out already just in the existing thirteen episodes, and the show would need an infusion of new characters and situations to make another season interesting.

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