After second-grader Stink gets an unsatisfactory grade in physical education, his parents tell him he must play a sport and so he masters thumb wrestling, as seen on a sports channel.

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.

When the first grade has a Winter Olympics contest, Freddy helps his class win--and shows good sportsmanship at the same time.

Quincy has worked hard in order to move up to the A-level soccer team where he can play with his friend Will, but when he becomes a starter and Will is benched it seems like their friendship is suddenly on the rocks.

Moving to Hillcrest, Ohio, when his adoptive father accepts a temporary job, twelve-year-old Jeremiah, a heart transplant recipient, has sixty days to find a baseball team to coach.

Eighth-grader and starting point guard Roman is initially thrilled when big man Sebastian transfers schools and joins the team, but Sebastian's skills seem to have disappeared and the other kids are merciless in their criticism--then Roman's big sister gives him some advice: talk to Sebastian and find out what is going on, and add a pick-and-roll to the team playbook.

Supersleuth Cam Jansen solves three mysteries during her class's Sports and Good Nutrition Day.

Since Nina's middle school in her new home in tiny Janesville, Illinois, does not have a girls basketball team, she tries out for the boys team and makes the roster--but the hostility of one the players threatens to disrupt the whole team.

Nine-year-old Ben, a natural athlete and member of the Bobcats co-ed soccer team, wants to overcome his inexperience and prove himself on the field, but his obnoxious teammate, Mark, keeps hogging the ball.

When Jack Frost's goblins steal Gemma the gymnastics fairy's magic hoop as part of their plan to win the upcoming Fairyland Olympics, Rachel and Kirsty try to help Gemma get it back and thwart Jack Frost.