Zatch Bell!

Tio's Spirit. The One And Only Partner. When Wounds Heal. (3x19)

Air date: Aug 14, 2005

Megumi leaves Tia in the care of Kiyo while she travels around the world for her concert. After playing with Zatch and Ponygon, they head to sleep. While sleeping, Zatch asks Tia why is she so spirited.