Digit and Matt make stew for a cooking competition, and Digit explains how he will use a timer to cook it for 5 minutes. When Buzz steals the timer, Digit panics, but Matt explains how they can use a clock to cook the stew for the correct amount of time.

When an important package is passed on to Homer, he delivers it to Mr. Burns, the sender of the package. Mr. Burns then releases a disappointing booby trap; he is not well-versed in the metric system.

Bill introduces the ancestor of the modern clock: the sundial. He illustrates how it uses shadows to indicate the time of day and explains how it influenced the clock. A time lapse then shows how the sundial and clock are in sync as the hours go by during the day.

A trip to the local clock shop reminds everyone in Huckle's class how important clocks are for our everyday lives.

Beakman explains time, how it's measured, and how clocks work. He explains the history of clocks and how we got to quartz clocks today.