One day, Duncan is happily coloring with his crayons when a stack of postcards arrives in the mail from his former crayons, each of which has run away or been left behind, and all of which want to come home.

Evan uses his imagination and a few crayons to create new and exciting art.

Harold provides himself with many adventures with his purple crayon.

When a little boy see a long list of chores on the refrigerator, he utilize his creative energy with a green crayon to transform time spent with his dad into a celebration of fun.

"When Jasper Rabbit finds a purple crayon willing to do his schoolwork for him, he is elated--at first"--

"When Violet gets a super big box of crayons she can't bring herself to use them because they are so perfect"--

The crayons demonstrate a range of feelings, noting that different emotions can even be felt simultaneously.

Ellie's class takes a field trip to the Crayola Factory where they are greeted by rooms full of different pigments, but when Ellie trips and spills some of the colors a shade nobody has ever seen is formed and their tour guide says she gets to decide what to call it.

"Sienna looks forward to drawing a picture for her school&'s spring art show, until she ends up with the last two crayons. By the time Sienna arrives at the art table in her classroom, all the crayons are gone except dark brown and light brown. Now how can she make a special picture for the art show? Andy teases that all she'll be able to draw is mud and dog poop. Her teacher tries to cheer her up, telling her that lots of wonderful things are brown....

When his friends are less than impressed by the crayon portraits he draws of them, Pete the cat begins doubting his artistic abilities before reconnecting with his unfailingly creative, groovy spirit and the realization that there are no mistakes in art.