Meet Little Bear, and Mother Bear, who is there whenever Little Bear needs her. When it is cold and snowy outside, she finds just the right outfit for Little Bear to play in. When he goes to the moon, she has a hot lunch waiting for him on his return. At night she helps him get to sleep. And, of course, she never forgets his birthday.

Lizzy Bruin's slumber party becomes even wilder when Too-Tall Grizzly and his friends decide to attend uninvited.