Kiyo Takamine is an average, but isolated, 14-year old genius, until he meets Zatch Bell - a mamodo (demon) sent to Earth to decide the next King of the Mamodo World. Every 1,000 years, mamodo are sent to Earth in search for a human partner that is able to read their spell book. Using their own emotions as an energy source, humans can cast powerful spells from the book to their mamodo - the last one standing becomes the next King!
One day, Kanchome carelessly climbs into a traveling circus troop's truck after seeing some candy and is taken away from Folgore again The town of Monte Frio in Spain - The clumsy Kanchome keeps failing at his circus act and longs to reunite with Folgore.
To get back Rushka's sheep, Folgore and Kanchome challenge Bago and his book's owner Fredo to a battle. With their transformation magic, Kanchome appears strong but his powers remain weak.
Zatch catches a cold, and is left alone at home, so he rides Ponygon to Kiyo's school only to cause a ruckus. Amidst that hullabaloo, Zatch collapses due to his fever. Kiyo takes Zatch to the nurse's room, when Apollo appears.
Store, but has to be accompanied by an adult to get in. Kiyo won't go with him, so Zatch takes Ponygon. They meet up with Suzy and the teacher's Wife, who are also going to department store.
Bari, a powerful mamodo, feels unsatisfied with the level of his competitors and seeks a challenge. His book owner, Gustav, tells him about Zatch, so they set off to find him.
At the abandoned factory, the seemingly endless battle between Zatch and Bari continues. Bari evades every one of Zatch's moves and the battle rages until he destroys the entire building.
Defeated by Bari, Zatch and Kiyo are wounded both physically and mentally. Ponygon starts to feel badly for having never battled. So Ponygon decides to leave and go on a journey with his spell book to look for a human partner!
Brago and Sherry are searching for mamodo in the mountains, when Brago senses trouble nearby. The two rush over and find a giant grizzly about to attack an old man and a young boy named Jeff. B.
Zatch and Tia are playing with the Volcan 300. Tia asks Zatch how many mamodos he has fought thus far. Zatch remembers the numerous enemies he narrowly defeated, as well as the gentle-hearted mamodo who became their friends.
The stone tablet has disappeared and, without it, Kiyo and Zatch wonder how they will ever get strong enough to become king. To do so, they must uncover the mysteries of the spell book.
