Name: Episode 12 — Return, the Heart, and Demise
Released: 2021-03-14
Duration: 24 min
Rating: 8.5
Cast: Junya Enoki, Yoko Hikasa, Kenjiro Tsuda, KENN, Lynn

Cells at Work! CODE BLACK (2021)

2021 • 1 season • Animation, Action & Adventure • TV-14

On August 7, 2026

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Episode 12 — Return, the Heart, and Demise

Released: 2021-03-14 • Animation/Action & Adventure

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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…

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Episode air date	14.03.2021
Episode runtime	24 min
Episode rating	8.50
Genres	Animation / Action & Adventure
TMDB series rating	8.2
IMDb series rating	7.5
Series status	Ended
Age rating	14+
Country	JP

Cells at Work! CODE BLACK (2021)

Episode 12 — Return, the Heart, and Demise

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