1. Smoking, Bacteria, and the Beginning of the End ⭐ 7.8

08 Jan, 2021 · 92 votes

A naive and idealistic rookie red blood cell named AA2153 starts his first day of work and is overwhelmed by the state of the body he works in. The blood vessels are clogged by cholesterol, the red blood cells are not allowed to take breaks, and everybody is grumpy and rude due to the body being under stress. Delivering oxygen with a veteran red blood cell, they face a carbon monoxide cloud and are saved from a group of Pneumococcus bacteria by a white blood cell named U-1196. The weary veteran entrusts AA2153 with the body before committing suicide by running into the carbon monoxide. U-1196 leads AA2153 to the lungs, which are contaminated with tar, and horrifies him when she explains that the body is addicted to smoking cigarettes.

Watch Episode 1

2. The Liver, Alcohol, and Pride ⭐ 7.8

15 Jan, 2021 · 84 votes

Even on the first day of the job, Red Blood Cell (AA2153) and his coworkers must carry oxygen throughout the body without rest. They make their way to the liver to relieve their stress from work.

Watch Episode 2

3. Excitement, Expansion, and Emptiness ⭐ 7.8

16 Jan, 2021 · 82 votes

The Red Blood Cells have been given an important mission to fill the erectile tissue with blood to trigger an erection. Red Blood Cell (AA2153) is enthusiastic about the opportunity to contribute to the birth of new life.

Watch Episode 3

4. Front Line, Gonococci, and Conflict ⭐ 7.5

16 Jan, 2021 · 80 votes

Gonococci entered the body through sexual intercourse. White Blood Cells are battling the gonococci, known for their proliferation rate. They invade the urethra and are closing in on the epididymis where the sperm are.

Watch Episode 4

5. Overwork, Hair Loss, and Delirium ⭐ 7.7

23 Jan, 2021 · 75 votes

Red Blood Cell (AA2153) has gained confidence in his work after overcoming various obstacles. Red Blood Cell discovers that the Killer T Cells, are normally reliable colleagues, are attacking Hair Matrix Cells and destroying the follicles.

Watch Episode 5

6. Kidneys, Kidney Stones, and Tears ⭐ 7.5

31 Jan, 2021 · 74 votes

Red Blood Cells AA2153 and AC1677 are getting familiar with the job and have enough energy to joke about during their downtime. When they arrive at the efferent arteriole, they hear a ominous sound of something blocking the nearby ureter.

Watch Episode 6

7. Caffeine, Temptation, and Jealousy ⭐ 7.7

07 Feb, 2021 · 75 votes

An accident occurs where the oxygen delivered by Red Blood Cell (AC1677) to a young Ordinary Cell transforms into Reactive Oxygen Species, causing the Ordinary Cell to age. Though it was an accident, he is overcome with guilt.

Watch Episode 7

8. Calves, Pulmonary Embolism, and Quick Thinking ⭐ 7.6

14 Feb, 2021 · 75 votes

Due to an increase in smoking and alcohol consumption, the liver lost its vitality and vigor. The Red Blood Cells are unable to rest, and the calves are in a weak state, they decide to deliver oxygen to a deep vein that is oxygen deprived.

Watch Episode 8

9. Calamity, Athlete's Foot, and the Meaning of Work ⭐ 7.6

21 Feb, 2021 · 74 votes

White Blood Cells are nowhere to be seen, and White Blood Cell (1196) is alarmed by this abnormal situation. Red Blood Cell (AA2153) is worried about the deteriorating health of the body but continues to deliver oxygen. He happens to see newly recruited Red Blood Cells undergoing training. Since Red Blood Cell (AA2153) has been recognized for his recent achievements, he is chosen to train the new recruits and is asked to deliver oxygen with them. However, Red Blood Cell (AA2153) pushes himself too hard without rest while trying to set a good example for the new recruits.

Watch Episode 9

10. Stomach Ulcer, Friendship, and Loss ⭐ 8.4

28 Feb, 2021 · 79 votes

Red Blood Cells are summoned to handle an emergency. They carry oxygen to the scene, but they discover that the stomach has an ulcer and is badly breached. If the Serous membrane becomes perforated, the stomach will end up melting down.

Watch Episode 10

11. Desperation, Gout, and Rebellion ⭐ 8.2

07 Mar, 2021 · 76 votes

Red Blood Cell (AA2153) keeps seeing flashbacks of his fellow Red Blood Cell (AC1677) falling into gastric acid and blames himself for not saving him. But this body doesn't have the means to let him recover.

Watch Episode 11

12. Return, the Heart, and Demise ⭐ 8.3

12 Mar, 2021 · 77 votes

Still unable to find meaning in his work, Red Blood Cell (AA2153) is determined to continue delivering oxygen and works hard at his job. Contrary to his determination, the body's internal environment continues to decline.

Watch Episode 12

13. Cardiac Arrest, Revival, and a Change ⭐ 7.7

19 Mar, 2021 · 82 votes

Bodily functions are coming to a halt. In this dire situation, all the cells are on the verge of losing hope, but only Red Blood Cell (AA2153) hasn't given up. Are they making us work hard because the body is unhealthy?

Watch Episode 13