Chris transforms into a sloth to understand how it can hang for so long. The group's impression of sloths is that their lives are relaxing. While in his transformation, however, he is taken away by a harpy eagle and cannot avoid it because of the slow speed at which he is able to move. Chris briefly describes that sloths and harpy eagles have a predator-prey relationship.

The narrator describes how the physical features of the brown rat allow her to swim effortlessly in her environment. She uses her small size to travel through a tunnel, a path which is less prone to predators. On the way home, the rat uses her abilities to hold her breath underwater as well as to remove water from her fur to avoid hypothermia.

Rosita attempts to practice for the dance routine and places papers on the floor. Her son comes in and scatters the papers everywhere.

The crew is trying to reach the shuttle that already landed on the asteroid. While traveling to it, the crew members come across a giant ravine in the asteroid and have no way to cross it. Since there is less gravity on the asteroid, they try to jump over the ravine. They successfully jump over it, and their trajectory leads them away from the asteroid, but they manage to turn the engines back on in time to return to the asteroid.

In this clip, Leonard explains on the radio how the Large Hadron Collider is being used to find subatomic particles like neutrinos.