Ep. 1: "Bump"

Ep. 2

"Acquired Immunity"

"Peyer's Patch"

Ep. 3

"Dengue Fever"

"Acne"

Ep. 4

"H. Pylori"

"Antigenic Shift"

Ep. 5: "Cytokines"

Ep. 6: "Harmful Bacteria"

Ep. 7: "Cancer Cell II" Pt. 1

Ep. 8: "Cancer Cell II" Pt. 2