Watt thinks he can do everything by himself as class president, but comes to understand that good leaders are inclusive and collaborative in that they perform some duties and allow other people to perform other duties.
Watt, Windy, Lidia, and Mark all disagree about a mysterious event they witness, and come to understand that there can be different perspectives of the same event and all can be valid.
Watt and Windy take a trip to Circus Beach to find that it hasn't been taken care of very well. They learn that pollution ruins people's experiences in public places and that they can be active in the community by cleaning up.
When the City Island Elementary School softball team doesn't play well (and ultimately loses), Lidia and the rest of the team realize what was most important: having fun together.
By visiting a new place in City Island, a retirement home, Watt and Windy come to understand the similarities between themselves and senior citizens. They realize there is a lot they can learn from older members of their community.
Watt and his class paint a mural to beautify the city. To help him find inspiration, his art teacher, Ms. Easel takes Watt to the City Island Art Museum where he learns about an important community institution and various styles of art.
Watt visits Windy and her family in Skytown. Even though he's initially nervous about fitting in, he ends up loving it there, and learns how their neighborhood is different from his.
Watt and Windy want the next book in a series they're reading, so they head to the library, where a friendly librarian shows them how the library works and how much it has to offer.
Watt and his friends want to make a flag to represent their club at the City Island Flag Parade and learn from the City Island Flag himself how symbols have meaning on flags.
