Second-grader Stink's parents tell him he must play a sport after he gets an unsatisfactory grade in physical education, and so he masters thumb wrestling, as seen on a sports channel.
High school sophomore Danny excels at gymnastics but is bullied, like the rest of the gymnasts, by members of the football team, until an emotionally and physically scarred new student joins the football team and forms an unlikely friendship with Danny.
Mikayla is thrilled when she is asked to try out for the position of school pentathlete, but her self-confidence begins to waver when she learns she will be competing against the school's best athlete.
Ninja boy Kyuma is introduced to baseball and tries to learn how to play, but struggles with the concept of it being a game and not a new type of battle.
Fourteen-year-old Jason Chaser races hover cars. Jason and his brother, "the Bug, " have been accepted to the International Race School, where they race against great difficulties.
Hubie, who desperately wants to make the little league team in Spring, receives a new mitt from his mom and practices hard, but when he becomes sick, his big opportunity might escape him.
Kaleigh Radcliffe, playing on an all-girls hockey team for the first time, gets frustrated when the other girls get distracted from their game, until Kaleigh catches the eye of a cute, older boy.
Now that Anya's soccer team is established, they need to step up if they want to take the game to the next level, beat the established school team and prove they are worthy opponents.