Harmful Bacteria (S02E06)

An important set of antibody details from a cell has been compromised, creating a palpable unease after NK Cell makes a remark to White Blood Cell (Neutrophil). The team sets off on an adventure to bring the lactic acid bacteria back together with their companions, leading them to the large intestine. Inside, they find the area inflamed from toxic gases emitted by harmful bacteria. There, they reunite with Memory T Cell, who has transitioned from being known as "Killer T Cell."