The dam Plunder built is broken and flooding threatens the villagers. The Planeteers summon Captain Planet, who rushes to the rescue. Captain Planet heats himself up and evaporates the flooding waters into rain clouds, which will rain and restore the river in time.
Mr. Wizard demonstrates the difference between steam and water vapor to Billy using a teapot and flames. He explains that steam is the gas form of water and that we mistakenly refer to water vapor as steam in everyday conversation.
Beakman uses an animated clip to explain how perspiration keeps us cool in the same way that a car cools off. He explains how sweating specifically cools us down through evaporation and describes why sweat smells.