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!

Warning: the following content contains spoilers!

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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 8.11 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 8.00 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 7.84 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 7.82 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 7.80 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 7.80 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 7.75 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 7.75 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 7.69 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 7.59 from 80 votes.

Cells at Work! - S1E3
#11 - Influenza
Season 1 - Episode 3

Naive T Cell is patrolling the body for influenza virus proliferation. But since he’s never taken on the enemy before, he’s completely terrified and useless. He finally ends up fleeing the battlefield where White Blood Cell (Neutrophil) and the veteran Killer T Cells are fighting. Naive T Cell is filled with self-loathing until Dendritic Cell sees him and speaks to him kindly.

The episode was rated from 98 votes.
Cells at Work! - S1E11
#12 - Heat Stroke
Season 1 - Episode 11

The world (body) is engulfed in sweltering heat. Even after triggering sweat, the body can't be cooled down. Abnormal increased vascular flow, soaring fever... That's right, the body is suffering from heat stroke! Taking advantage of the situation, the Bacillus cereus is rampaging to his heart's content. Reeling from the effects of heat stroke, the usually reliable White Blood Cell (Neutrophil) is suddenly unable to perform... Isn't there any way to save the world from further global warming?

The episode was rated from 77 votes.
Cells at Work! - S1E2
#13 - Scrape Wound
Season 1 - Episode 2

Things have been peaceful for Red Blood Cell when suddenly an abrasion occurs before her eyes. The White Blood Cells (Neutrophils) arrive to battle the bacteria and viruses invading through the wound, but they struggle against enemies like Staphylococcus aureus. Will the White Blood Cells (Neutrophils) find a way to defend this body?

The episode was rated from 111 votes.
Cells at Work! - S1E4
#14 - Food Poisoning
Season 1 - Episode 4

Bacteria appear near the stomach. White Blood Cell (Neutrophil) is on the scene at once. There, he finds Eosinophil, another type of White Blood Cell, already in battle, but she’s struggling badly. Seeing how powerless she is, the other cells start trashing Eosinophil behind her back. Even after White Blood Cell (Neutrophil) tells them, “There’s a job that only Eosinophil can do...”

The episode was rated from 95 votes.
Cells at Work! - S1E9
#15 - Thymocyte
Season 1 - Episode 9

In the middle of a drill, Killer T Cell tosses a subordinate right into Helper T Cell’s office. The two polar opposites start arguing. According to Dendritic Cell, although they play very different roles today, they were actually classmates at Thymus School. Not only that, but they were totally different back then! What was it that developed between these two during their days of enduring hellish training sessions at Thymus School where only two to three percent of cells manage to survive?

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]


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