Episode 10

"Staphylococcus aureus" (黄色ブドウ球菌) is the 10th episode of the Cells at Work! anime adaption. It's based on the fifteenth chapter of the manga, which it has the same title.

Plot
Red Blood Cell's rescued from a germ by a mysterious Immune Cell called Monocyte, who doesn't speak and wears a Hazmat Suit. Later, the nasal cavity gets invaded by a group of Staphylococcus Aureus. Vowing revenge for one of their friends who was killed in "Scrape Wound", then they combine their bodies into a powerful giant Staphylococcus Aureus, who's able to trap the White Blood Cells in a net of Fibrin using coagulase. Then a squad of Monocytes appear and shed their Hazmat suits to reveal that they're really Macrophages; cause Monocytes are one of the many roles they play. Then the Macrophages easily defeat the Staphylococcus Aureus's. As the White Blood Cells thank the Macrophages for saving everyone, Red Blood Cell asks one of them how they can fit their Dresses inside the Hazmat Suits, but she tells her that it's a secret.