When Lucy, a young bear, discovers a boy lost in the woods, she asks her mother if she can have him as a pet, only to find him impossible to train.

After Little Pip the penguin gets lost she meets a whale, a kelp gull, and sled dogs who cannot help her, but with the aid of her family's song, home finds her.

While shopping with her parents in a mall, Katie helps a lost boy, not realizing that she may be lost, too.

As time plays tricks and night falls without warning, Johnny, Dizzy, and Charlie, who are lost in the woods, must elude the danger that lurks in shadows and work together to find a way out. Includes note about the science behind the story.

Astrid and Apollo are attending the Hmong New Year festival (which is held at a big arena in St. Paul or Minneapolis in November or December), but in the crowded arena they are soon separated from their parents and younger sister, and between rescuing a little lost boy, and getting mistaken for a pair of famous child singers, the festival turns into quite an adventure for the twins.