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

When bear cubs Jacob and Casey ask Momma Bear who she loves best, she explains why she loves them both with all her heart.

A donkey brother and sister's constant attempts to outdo each other land them in a sticky situation.

Three sisters, who compete constantly to see who is the smartest, fastest, or prettiest, vie for the Queen of the World crown, awarded to the sister who makes the best birthday gift for Mom.

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.

Gilbert wants to do something special for his mother on Mother's Day, but first he must stop his sister, Lola, from being the center of attention.