the animation is produced by MAD HOUSE and divided into three seasons. The first season (1-35 episodes) and the second season (36-46 episodes) were "Kuluo brand articles", which premiered in April 1998 and April 1999 respectively; The third season (47-7 episodes) is "Sakura Brand", which premiered in September 1999. The two theatrical versions are respectively the theatrical version 1 "A Journey to Hong Kong", which was shown on August 21st, 1999, and the plot was between 35 and 36 episodes. On July 15, 2, after 7 episodes, the theatrical version 2 "The Sealed Card" was shown; Theater Edition 2 Plus: Xiaoke Special Edition-wrapped in Xiaoke. The third episode of OVA is an active diary of knowing the world, also known as TV Battle of Knowing the World.

(animation only)