Mike attempts to convince his parents that he is responsible enough to be allowed to ride his bicycle to the magic shop all by himself.

Eight-year-old Just Grace and her best friend Mimi embark on a campaign to convince Grace's parents that they are responsible and dependable enough to get a dog.

Arthur disobeys his mother by playing his favorite game on her computer, which leads to a lesson in taking responsibility for one's actions.

Superhero Ellie Ultra is given the responsibility of caring for Squeak, the class hamster, for the weekend, which is exciting, but also a little worrying, especially since her dog, Super Fluffy, is too interested in the hamster for comfort--but when she accidentally shrinks herself down to three inches tall Ellie discovers that, even for a superhero, pet sitting is a lot harder when you are no bigger than your pet.

When young Pearl, a mermaid, becomes caretaker of a single grain of sand, she discovers that performing even the smallest task well can transform the world.