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The Best Episodes of Cells at Work! Season 1

Every episode of Cells at Work! Season 1 ranked from best to worst. Discover the Best Episodes of Cells at Work! Season 1!

Binge this in 5h 11m·Peaking at 8.4/10
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Episode Rankings

  1. #1 Fan Favorite
    Cells at Work! Season 1 Episode 7 - Cancer Cells
    8.4/10(161 votes)

    S1:E7

    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.

    Director:Shigatsu Yoshikawa
    Writer:Yuko Kakihara

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  2. Cells at Work! Season 1 Episode 13 - Hemorrhagic Shock (2)
    8.4/10(150 votes)

    S1:E13

    "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?

    Directors:Souta Ueno, Kenichi Suzuki, Shigatsu Yoshikawa
    Writer:Yuko Kakihara

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  3. Cells at Work! Season 1 Episode 6 - Erythroblasts and Myelocytes
    8.0/10(150 votes)

    S1:E6

    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...

    Director:Souta Ueno
    Writer:Yuko Kakihara

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  4. Cells at Work! Season 1 Episode 12 - Hemorrhagic Shock (1)
    7.9/10(126 votes)

    S1:E12

    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.

    Director:Satoshi Osedo
    Writer:Yuko Kakihara

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  5. Cells at Work! Season 1 Episode 2 - Scrape Wound
    7.8/10(187 votes)

    S1:E2

    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?

    Director:Shigatsu Yoshikawa
    Writer:Yuko Kakihara

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  6. Cells at Work! Season 1 Episode 3 - Influenza
    7.8/10(175 votes)

    S1:E3

    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.

    Director:Yukihiko Asaki
    Writer:Yuko Kakihara

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    The 20 BEST Episodes of Cells at Work!

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  7. Cells at Work! Season 1 Episode 5 - Cedar Pollen Allergy
    7.8/10(153 votes)

    S1:E5

    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?

    Director:Satoshi Osedo
    Writer:Yuko Kakihara

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  8. Cells at Work! Season 1 Episode 11 - Heat Stroke
    7.8/10(134 votes)

    S1:E11

    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?

    Director:Taro Kubo
    Writer:Yuko Kakihara

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  9. Cells at Work! Season 1 Episode 4 - Food Poisoning
    7.7/10(152 votes)

    S1:E4

    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...”

    Director:Satoru Kiyomaru
    Writer:Yuko Kakihara

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  10. Cells at Work! Season 1 Episode 8 - Blood Circulation
    7.6/10(141 votes)

    S1:E8

    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.

    Director:Sumito Sasaki
    Writer:Yuko Kakihara

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  11. Cells at Work! Season 1 Episode 1 - Pneumococcus
    7.5/10(239 votes)

    S1:E1

    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...

    Director:Kenichi Suzuki
    Writer:Yuko Kakihara

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  12. Cells at Work! Season 1 Episode 9 - Thymocytes
    7.5/10(138 votes)

    S1:E9

    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?

    Director:Hitomi Ezoe
    Writer:Yuko Kakihara

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  13. Cells at Work! Season 1 Episode 10 - Staphylococcus Aureus
    7.5/10(133 votes)

    S1:E10

    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?

    Directors:Yasufumi Soejima, Hironori Aoyagi
    Writer:Yuko Kakihara

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Season 1 Ratings Summary

"Cancer Cells" is the best rated episode of Cells at Work! season 1. It scored 8.4/10 from 161 votes. Directed by Shigatsu Yoshikawa and written by Yuko Kakihara, it aired on August 19, 2018.