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.
Inez and Digit need to balance the scale with four numbers and gain access to the machine in order to save the bunnies from the dangerous cyberstatic. They balance five numbers with ease but realize they can balance only four numbers. They learn that removing the same weight from each side does not affect the balance of the scale.