Age 789 is a major year in the Dragon Ball universe. It marks the time in which the Dragon Ball GT series began up until the conclusion of the Baby Saga. It sees the major battles of the Black Star Dragon Ball and Baby Sagas.
- Goku is turned back into a child by Emperor Pilaf using the Black Star Dragon Balls.
- Goku, Pan and Trunks travel across Universe 7 to find the Black Star Dragon Balls.
- On Imecka, Goku fights Lord Don Kee's army along with Trunks and Pan after their spaceship crash lands on the planet.
- Giru eats the Dragon Radar and later joins the Dragon Team.
- Goku, Trunks, Pan and Giru fight against the Luud Cult on Planet Luud.
- On Planet M-2, Goku fights against the Sigma Force and General Rilldo.
- Baby takes over Vegeta's body and turns almost everyone on Earth into Tuffle Parasites.
- Baby uses the Black Star Dragon Balls to wish back Planet Plant.
- Majin Buu merges with Uub to form Majuub.
- Goku transforms into a Super Saiyan 4 and defeats Baby.
- Baby is killed by Goku with a 10x Kamehameha whilst attempting to flee into outer space.
- Kibito Kai uses the Sacred Water to destroy the Tuffle Parasites, freeing everyone on Earth from Baby's mind control.
- Earth is destroyed for the third time as a result of the wish Baby made on the Black Star Dragon Balls.
- Piccolo dies for the final time after he stays behind on Earth in order to permanently destroy Ultimate Shenron and the Black Star Dragon Balls.
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