Hank illustrates the differences between plant and animal cells. Both are eukaryotic cells, but they have their own unique characteristics. Hank also explains why humans cannot eat wood and plants in the way that other animals can. Key Words: Eukaryotic Cells, Prokaryotic Cells, Organelles, Cytoplasm, Cell Wall, Cellulose, Photosynthesis, Plastids, Chloroplasts, Central Vacuole

Hank explains how the cellular immune response uses helper, cytotoxic, and regulatory T cells to attack body cells compromised by pathogens.

The Commander T-Cell informs all cells about pneumococcus on the loose and dispatches the Killer T-Cells to hunt them down.

Red Blood Cell gets cornered by the Pneumococcus but gets saved by White Blood Cell through transmigration. White Blood Cell faces the bacterium but is overwhelmed by its powerful capsule.

Hank explains the inner workings of a eukaryotic cell and the role of several organelles. He compares the way a cell functions to a city with a fascist government, which he calls "Eukaryopolis." Key Words: Eukaryote, Prozac, Flagellum, Cilia, Microtubules, Cell Membrane, Cytoplasm, Centrosome, Nucleoplasm, Vesicles