Flick's classmates triple dog dare him to stick his tongue on a frozen metal pole. When he does, the other students soon realize that his tongue is actually stuck, and they panic and leave him alone because the bell rang and they don't know how to help him. Eventually the teacher gets the Fire Department to help Flick.

Mr. Wizard explains and demonstrates convection currents.

Bill Nye explains that heat is energy and can be used to do work, such as keep up warm, run an engine, or affect other molecules. Using real-world examples, he then describes the three ways that heat can move from one place to another: conduction, convection, and radiation.

A series of simple machines help collect mushrooms and crush them to produce a drink for Dr. Robotnik.

Bill Nye show us how a circuit works by comparing electrons to water.