Dragon Ball: Yo! Son Goku and His Friends Return!! (overview)

Following the defeat of Majin Buu, Son Goku and friends travel to Mr. Satan's newly-opened hotel for an all-you-can-eat banquet, when they are paid a visit by Vegeta's younger brother Tarble. They are informed by Tarble that the terrible brother duo of Abo and Cado have terrorized his planet and are on their way to Earth.