* In Way-High-Up-Ball, Louis reveals a crush on Ms. Nogard, but symbolically states that "she's up [on the 30th story] while he's [on the playground]." Anyone feeling out of their league can relate to the feeling.
* Allison's stay on the 19th story causes her to get so caught up in Miss Zarves' ridiculous assignments, she forgets about Mrs. Jewls and the other students. Six days later, the memories of Allison's classmates start flooding back. These memories bring her to tears as she gains a new appreciation for all their quirks, which she started feeling frustrated about immediately before Miss Zarves took her in.
* Any story about animals and the song "Puff the Magic Dragon" are this to Dana.