Only when faced with a dire emergency does Pig Pig finally react like a grown up and admit he is not a baby any more.

When eight baby mice arrive, their father finally understands why their mother had wanted a bigger house.

Twin sisters who already compete for their mother's attention have an especially hard time after their baby sister is born.

Biscuit, a young puppy, is eager to meet the new baby but must wait until nap time is over.

Braid Beard and his pirate crew return to retrieve the treasure they buried in Jeremy Jacob's backyard, but first they must help calm his baby sister, Bonney Anne, whom they awoke from her nap.

Determined to be a good big sister, Rex starts spending all her time with the baby her family has adopted, making her neighbor Pinky fear that he has lost her friendship.

"A nature-loving little girl's favorite playmate is her maple tree, until the day she's surprised with a baby sister"--

A four-year-old describes how she has changed since she was a baby.

Lola reads story books to her new baby brother Leo, and even though Mommy and Daddy are busy, they still have time to read to Lola at bedtime.

Boomer is distressed by the special treatment given to the new puppy in his household and feels that he is no longer top dog, but then he finds that the recent arrival can be a friend and playmate.