Jo is disappointed when she is not placed on the Red Angels in the summer softball league--but when she is offered the chance to switch teams, Jo has to decide if she will leave her friends and play for the "winning" team--or win with the Sonics.

Amanda has always dreamed of being captain of a cheerleading squad, and this year, she is! But she soon realizes that being captain is harder than she thought. Not only does she have to lead the squad, she has to inspire them, and that's hard work.

Tabitha has been volunteering with her best friend Rachael at the Rocky Ridge Riding Center for three months, but she keeps getting in trouble because of her lack of focus--can working with the troubled horse, Diamond, help her to save both of them for the Riding Center?

Mel is thrilled to play on the junior varsity basketball team, but how can she play to win when she does not have teammates on her side?

When the coach of her championship softball team asks Raisa Kumar to teach a new recruit, Annie, how to pitch she is eager to help, especially since she hopes to be a coach herself someday; but when the team's other pitcher turns up with a broken arm, teaching Annie takes on a new urgency--and Raisa's efforts at coaching seem to be frustrating Annie rather then helping her.

Mia Hernandez's middle school gymnastics team, the Ridgefield Rams, are the defending champions, and this year they have a new coach, one who was once a gymnast for their arch rivals; but a series of increasingly dangerous practical jokes begins to happen to their competitors, and it starts to looks like someone from the Rams is trying to sabotage the competition--Mia suspects Allison, a girl who always wants to finish on top, but she needs to prove...

When Tony turns twelve and moves up to the next class of kart racing, he worries that he will never be able to compete against the older boys who have more experience.

Sarah knows that she is the best dancer in her class, and she is eager to show off at the upcoming recital--but when a new move proves unexpectedly difficult and she has to ask for help, her confidence is shaken.

Colleen is devastated when her best friend changes schools--but when she learns that Meredith is teaching her new cheerleading squad the routine they created together for an upcoming competition their friendship is tested.

When bullies mess with Riley at the skate park one night, Bernie Chu, the best skater in town, save's Riley's board. The next day, Bernie acts as if he's never seen Riley before. Later, when Bernie's board breaks during the final round of the biggest skating contest of the year, Riley must decide whether to help him or to use the accident to win.