Each episode revolves around four-year old Harold and his curiosity about nature, independence and exploration, and fears.
A 4-year old boy uses a crayon to create friends and natural wonders.
Harold rescues two baby squirrels whose nest has been washed away in a storm.
Harold draws seeds that grow into a gigantic garden and meets some new friends.
Harold's adventure in the Crayon World with Lilac is marred when the dog has to be reprimanded.
Harold tries to make music with the help of Lilac and a symphony of animals.
Confused by the concept of death, Harold searches for his goldfish, which has died.
Harold draws a party in the Crayon World.
Harold has some fun and scary adventures after he draws some dinosaurs.
Harold attempts to copy the work of great painters.
Harold's fascination with drawing zoo animals turns chaotic when he draws monkeys who let all the other animals loose.
The moon's disappearance leads Harold and Lilac on an adventure.
Harold uses his magical crayon to draw himself in grown-up jobs.