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.
The CyberSquad needs to balance the scale using two weights in order to access the machine that will save Sensible Flats from disaster. After some time, they figure out the two equal weights to use and save Sensible Flats just in time.
Bud Abbott, the landlord, collects thirteen week's worth of rent at $7 a week from his tenant, Lou Costello. Lou argues that he only owes $28. Perplexed by what Lou is saying, Bud offers to give Lou the room for free if he can prove to him why the answer is $28.
The students learn that they are able to be a little more creative with their measuring tools. Instead of simply using rulers, they begin to think of nonstandard measuring tools.
The Brain tells a "horror story" about exponential increase error, making references to trigonometric concepts such as the cosine function and sine curves.