The Six-Star Dragon
What was once a peaceful seaside village becomes a battleground as Goku and Pan square off against Oceanus Shenron, the 6-star dragon. Goku is soon caught in the fury of the dragon's assault and unable to break through Oceanus Shenron's powerful defense. The situation becomes more dire with every passing moment until Pan is forced to take action!
Aired 02/07/1997EP 51 - The Six-Star Dragon
Dragon Ball GT
Emperor Pilaf finally has his hands on the Black Star Dragon Balls after years of searching, which are said to be twice as powerful as Earth's normal ones. Pilaf is about to make his wish for world domination when he is interrupted by Gokuu Son. As a result, Pilaf flubs his wish and accidentally turns Gokuu back into a child.
After the wish is granted, the Black Star Dragon Balls scatter across the galaxy. However, Gokuu discovers that they will cause the Earth to explode unless they are all brought back within a year. Uniting with his granddaughter Pan and a young adult Trunks, Gokuu sets off on an adventure through the universe to find the Black Star Dragon Balls and save his planet from destruction.
(Source: MAL Rewrite)