Harold wants to take a walk in the moonlight, so he draws a moon with his purple crayon. Next Harold wants a picture for his room, soon he's bigger than a mountain. Then with his crayon, Harold takes a trip through the enchanted garden where he meets a King, a giant witch, and a fairy with one magic wish.

Harold is an inventive and curious toddler with thoughts, desires, and feelings typical of any child his age. In his Crayon World, Harold can muse on questions that all young children naturally wonder about, and he can come up with his own answers. But it is not the crayon that is magic, it is merely the key to unlock the power of Harold's imagination.

Calling all colors! From painting and drawing to mixing colors, kids will discover the art of color identification with these six Nick Jr. play dates! They'll jump into coloring books with Dora and the Wonder Pets, they₂ll learn color mixing with the Bubble Guppies and Blue, and they'll search for colorful shape pieces with Team Umizoomi!

Harold and the purple crayon: This is the ingeniously imaginative story of a small boy who, with his magic crayon, draws himself in and out of a series of adventures. Harold's fairy tale: Harold draws himself a castle in an enchanted garden and fills it with a king, a giant, a fairy - and himself! A picture for Harold's room: With his purple crayon, Harold draws a picture for his room - and then becomes a part of it.