Ep. 9: Thymocyte

Episodes
- Ep. 5 · NK Cell attacks Normal Cell while Dendritic Cell aids a bacterium against influenza
- Ep. 6 · U-1146 and NK Cell investigate toxic gas in the large intestine while searching for Cancer Cell.
- Ep. 7 · Cancer Cell II Part I: Regulatory T Cell Defends Cancer Cell Amidst Cellular Chaos
- Ep. 8 · Neutrophils and Lactic Acid Bacteria Rescue Normal Cell from Cancer Cell II
- Ep. 9 · Thymocyte
- Ep. 10 · Staphylococcus Aureus
- Ep. 11 · A character suffers from heat stroke during the episode
- Ep. 12 · Hemorrhagic Shock Part 1
- Ep. 13 · Hemorrhagic Shock Part 2