S3E18 · Red Sky at Night, Monkey's Delight

After George hears the legend that a red sunset means a day of good weather and sees The Man With The Yellow Hat painting a red sunset picture, George decides to draw pictures of the clouds and watch their movement to predict the weather. He soon also learns that other animals have way of predicting the weather, such as the speed of a cricket chirping. Soon, he learns how people predict the weather.