2화: 갑작스러운 긁힘 상처 사건 중 백혈구가 황색포도상구균과 대면하다
2018년 7월 15일 방영

All is well for Red Blood Cell when suddenly a scrape wound occurs right in front of her. To fight off the bacteria and viruses that are entering through the wound, White Blood Cell rushes to the scene. He struggles, having to face off against all of the viruses, including Staphylococcus Aureus. Will the White Blood Cells (Neutrophils) be able to protect the body? (Source: Aniplex USA)