Nan Harding is the new student at Mr. and Mrs. Bhaer's school. Everyone thinks that she is a pain in the head, but not Mrs. Jo. Together with the other kids, they all embark on their personal adventures and misfortunes while learning in school.

In a country where companies are categorized into many subdivisions and corporations, only one of them is a ghost corp—the Phantom quest corp. When otherworldly supernatural phenomenon threatens the city and its populace, Ayaka Kisaragi and her employees are on the job to fight any and all supernatural menace.

Bumboo is a very strange car-like creature with a cute yellow body. He was born from a mysterious egg at an automobile factory. Having heard the first cries of a newborn baby, a boy named Ken comes to the factory and meets Bumboo. They soon become good friends and set out on their exciting journey. Traveling the world with his four-wheeled friend and Mister the dog, Ken faces big trouble from Doctor Monkey—who wants to get Bumboo into his own hands—but finds thrills and excitement around every corner. (Source: AniDB)

Led by scientist Tatsuya Randou, the Randou family undertakes a journey around the globe in order to search out ancient ruins to uncover the legend of Quetzalcoatl, which unlocks the key to a fabulous treasure. However, tailing the Randou family is Gopurin, an evil organisation that covets the legendary treasure for itself. The Randou family has the secret weapon of super robot Acrobunch. It becomes a race around the world of who finds the treasure first. (Source: Wikipedia)