Cintronella Jones catches a man making counterfeit meter sticks and arrests him because he is violating measurement standards. Later, a girl indicates that a meter is standardized across different countries in the world and even on the moon.

Bill provides a brief background on the history of measurement and explains why humans developed standard units of measurement. He explains how the meter was developed and talks about the simplicity of the metric system.

Monster Math Squad must follow the order of the instructions in order to make monster muffins.

The narrator explains to Donald the story of Pythagoras, who is considered by some to be the father of mathematics and music. He discusses Pythagoras' society, the Pythagoreans, and how they used mathematics to create music.

Bad Man poses two word problems to Ashley and Celia. Given a start and an end time, they need to calculate the duration of a train ride and the length of a video recording.