TV Cells at Work! CODE BLACK - Season 1 Episode 12 : Return, the Heart, and Demise Cells at Work! CODE BLACK - Season 1 Episode 12 : Return, the Heart, and Demise 8.2/10 by 108 users 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. Plaque, which is made up of cholesterol and fat deposits, has accumulated on the inner walls of the blood vessels, causing them to deteriorate. The buildup of plaque has even affected the coronary arteries which wrap around the heart and supply oxygen and nutrients to the entire heart muscle… Details Casts Posters Images Title Cells at Work! CODE BLACK - Season 1 Episode 12 : Return, the Heart, and Demise Alternative Titles Hataraku Saibō Black, Hataraku Saibou Black, 일하는 세포 BLACK First Air Date 2021-01-10 Last Air Date 2021-03-21 Number of Episodes 13 Number of Seasons 1 Genres Animation, Action & Adventure, Networks Gunma TV, Tokyo MX, BS11, ABEMA, Casts Junya Enoki, Yoko Hikasa, Kenjiro Tsuda, KENN, Lynn, Yumi Uchiyama, Takashi Narumi, Yurika Kubo, Hekiru Shiina, Sarah Emi Bridcutt, Daisuke Hirakawa Plot Keywords , Red Blood Cell (Erythrocite) (voice) Junya Enoki White Blood Cell (Neutrophil) (voice) Yoko Hikasa Narrator (voice) Kenjiro Tsuda Red Blood Cell (voice) KENN White Bood Cell (Neutrophilic) (voice) Lynn White Bood Cell (Neutrophilic) (voice) Yumi Uchiyama Gastric Chief Cell (voice) Takashi Narumi Platelet (voice) Yurika Kubo Macrophage (voice) Hekiru Shiina Liver Cell (voice) Sarah Emi Bridcutt Brain Cell (Command) (voice) Daisuke Hirakawa Episodes List Cells at Work! CODE BLACK Season 1 :Episode 1 Smoking, Bacteria, and the Beginning of the End Smoking, Bacteria, and the Beginning of the End 2021-01-10 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 2 The Liver, Alcohol, and Pride The Liver, Alcohol, and Pride 2021-01-17 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 3 Excitement, Swelling, and Emptiness Excitement, Swelling, and Emptiness 2021-01-19 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 4 Front Line, Gonococci, and Conflict Front Line, Gonococci, and Conflict 2021-01-19 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 5 Overwork, Hair Loss, and Delirium Overwork, Hair Loss, and Delirium 2021-01-24 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 6 Kidneys, Kidney Stones, and Tears Kidneys, Kidney Stones, and Tears 2021-01-31 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 7 Caffeine, Temptation, and Jealousy Caffeine, Temptation, and Jealousy 2021-02-07 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 8 Calves, Pulmonary Embolism, and Quick Thinking Calves, Pulmonary Embolism, and Quick Thinking 2021-02-14 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 9 Calamity, Athlete’s Foot, and the Meaning of Work Calamity, Athlete’s Foot, and the Meaning of Work 2021-02-21 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 10 Stomach Ulcer, Friendship, and Loss Stomach Ulcer, Friendship, and Loss 2021-02-28 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 11 Desperation, Gout, and Rebellion Desperation, Gout, and Rebellion 2021-03-07 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 12 Return, the Heart, and Demise Return, the Heart, and Demise 2021-03-14 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that... Cells at Work! CODE BLACK Season 1 :Episode 13 Cardiac Arrest, Revival, and a Change Cardiac Arrest, Revival, and a Change 2021-03-21 Alcohol, smoking, and stress—in the body subjected to these irritants, the cells responsible for maintaining life seem to fight a war that...