Sixth-grader and self-proclaimed genius Nate Wright faces his all-time enemy, Gina, when they are paired to work on a research paper together and she also gets a position on his intramural team.

"After a disastrous field day competition at school, Greg decides that when it comes to his athletic career, he's officially retired. But after his mom urges him to give sports one more chance, he reluctantly agrees to sign up for basketball. Tryouts are a mess, and Greg is sure he won't make the cut. But he unexpectedly lands a spot on the worst team. As Greg and his new teammates start the season, their chances of winning even a single game look...

Twelve-year-old Levi is at home in the dojo where he practices karate, although the contentious relationship with his new stepsister, Sofia, is disturbing his concentration--but when she suddenly decides to join his dojo he realizes that Sofia's prickly attitude is a cover for her unhappiness.