Grover explains and demonstrates the concept of force by pulling a rope. He also illustrates how to influence force by inviting friends to pull the rope with him.

The group escapes from hepatitis B and enters Alveoli Forest, where they encounter the bronchial tubes, alveoli, and the disease, tuberculosis. Dr. Bloom explains that the human has latent tuberculosis, as the disease is usually found in many people's lungs but is not active. He changes his opinion, however, when he sees that tuberculosis bacteria has escaped from its inactive state.

Mitosis is a key function in your body that constantly remediates cuts, repairs cells and accomodates growth.   Key Words: Mitosis, Chromosomes, Diploid Cells, Haploid Cells, Prophase, Metaphase, Anaphase, Telophase, Centrosome Duplication, Chromatid, Centromere, Interphase 

In this clip, Charlie suggests using an evolutionary algorithm to search for abnormal behavior after a murder occurs in a video game with a real-life component. Evolutionary algorithms imitate the biological process of natural selection to find optimal solutions.

Phil tells Mike a story of how he, Cro, and others used levers and catapults to save the lives of Bobb and Steamer when they get trapped by a earthquake to inspire Mike to have better aim when throwing paper baskets.