Little Pete interferes in Dad's lawn competition with his neighbor and gets grounded, but then hatches a plan tunnel out of the house. In the process, he meets his new neighbor, Nona F. Mecklenberg, who is unhappy with moving to a new town.
Big Pete is finally on a winning baseball team. Their secret? Using Little Pete to distract the other team by yelling at them while they're at bat. Then the yelling starts to distract Big Pete.
Wellesville lives in terror of a pay-phone that's been ringing for 27 years as Little Pete and friends lie paralyzed in the summer's apocalyptic heat and shoes melt on the pavement. The madness mounts. Who - WHO will answer the phone???
On the day of Daylight Savings Time, Little Pete tries to have a time travel adventure so legendary that it will be memorialized on a pen. Meanwhile, Big Pete has forgotten about the usual time travel adventure he shares with his brother to ask Ellen on a date.
Ellen asks the question every kid does - why do we need to know word problems - to her Math teacher Ms. Fingerwood, making the teacher question her whole life.
Super Villian John McFlemp convinces everyone in Wellsville that Artie's a danger. The International Adult Conspiracy chooses Mr. Wrigley to get rid of the Superhero.
Little Pete fakes food poisoning in order to stay home from school. As he ventures around Wellsville, he begins to realize that there's a whole different world than meets the eye.