After losing running, climbing, throwing, and burping competitions to her obnoxious older brother, a young girl makes a wish on a falling star.

Echo Reef is tail-flipping with excitement when she find a human object. But when her older sister claims the object for her own, how far will Echo go to reclaim it?

Twelve-year-old Jamal has always lived in his twin brother, Malik's, shadow. All he wants in the world is to know, just for one day, what it's like to be his more popular, more talented, and more confident brother. So when a mysterious man named Dr. Facilier appears and offers Jamal the opportunity to do just that, Jamal jumps at the chance. But when he wakes up the next morning to find his dream has come true, he learns it comes at a terrible cost....

Alex compares his younger brother William with himself and concludes that because William is so different, he must have come from outer space to join this otherwise perfect family.

Third-grader Clementine tries to adjust to the news that her perfect family of four is adding a new brother or sister.

Tiring of a newborn sibling who demands all her busy mother's attention, Ruby gets bored with endless solo activities and imagines creative ways to make her baby brother disappear, adventures that become so much fun that she decides to tag along.

A little brother thinks of the ways he will some day get revenge on his older brother.

Two mouse brothers, Pip and Squeak, usually try to compete with each other, but their relationship finally changes when they prepare for their annual party.

Eleven-year-old Ace Wells's dream has finally come true: he is a new cadet in the B.E.S.T. (Biological Enhancement Systems Technology) Program. Until now, he's been living in the shadow of his superstar brother, Finn--but not for long. This is new Ace! He knows he can make his mark on the world with SuperSoar wings, but on day one, nothing goes as planned. The antagonistic elevator AI Otis wants to eat his belongings, the physical feats set by his...

Twelve-year-old Lennie Mercado's grandfather, the current Prime Wizard of Pomporromp, is retiring and decides to host a tournament for Lennie and her cousins to compete to win his title, land, position, castle, and unlimited magical powers, but when Poppop introduces new rules to eliminate sibling rivalry, Lennie decides the games are unfair and makes plans to sabotage the event.