Jovian and the Kratt brothers explain how several species hatch from their eggs. They note the similarities in how each species hatches: by breaking the shell and fighting its way out. They mention that some snakes get help from their mothers when they hatch.

Robin becomes paralyzed after being exposed to Fang's venom, and he's unable to move.

Beakman explains the differences between alligators and crocodiles using animated clips, a live alligator, and footage of live animals in the wild. He also explains crocodile tears.

Beakman explains how snakes are reptiles, what they eat, how they smell, and why they shed their skin. He also talks about some different kinds of snakes.

This clip describes the Miller-Urey experiment and its purpose: to determine if complex molecules could arise from simple natural chemical reactions.