Goku fights him and is quickly defeated, but, after having his tail regenerated by Kibito Kai and Old Kai, transforms and achieves the power of Super Saiyan 4 ( スーパーサイヤ 人 ( じん ) 4 ( フォー ), Sūpā Saiya-jin Fō). After turning practically all of the Earth's population, including the Saiyans, into Tuffles, Baby decides to convert Vegeta's body into his own and use it to kill Goku. The trio goes through various adventures in their journey to find the Black Star Dragon Balls, until they encounter the artificial Tuffle parasite, Baby, who intends to destroy the Saiyan race as his revenge for their extermination of the Tuffles many years ago.īaby can invade other people's bodies and turn them into Tuffles, as well as mutating a host's body and combining its power with his own to become an incredibly powerful warrior. He is then forced to travel across the universe to retrieve them, accompanied by his granddaughter Pan and Trunks as if he does not retrieve them within a year the Earth will explode. "Ultimate Dragon Ball") by his old enemy Emperor Pilaf. "The Number One Under Heaven Martial Arts Gathering") (10 years in the Funimation dub), Goku is accidentally turned back into a child by Ultimate Shenron ( 究極神龍, Kyūkyoku Shenron), a much more powerful version of Shenron created by the Nameless Namekian (before he split into Kami and King Piccolo) who can grant any single wish, regardless of any restrictions placed on the other dragons, summoned from the Black Star Dragon Balls ( 究極のドラゴンボール, Kyūkyoku no Doragon Bōru, lit. See also: List of Dragon Ball GT episodes Black Star Dragon Balls Saga įive years after the 28th World Martial Arts Tournament ( 天 ( てん ) 下 ( か ) 一 ( いち ) 武 ( ぶ ) 道 ( どう ) 会 ( かい ), Tenkaichi Budōkai, lit.