Curtain Call
Following the noble death of Piccolo, all of humanity was returned safely to Earth with a final wish. As things return to normal, it's time to start up the next World Martial Arts Tournament. But this contest proves to be a test for all as Goku and Pan fight in the wrong divisions, a plan to fix the fight is unearthed, and an old ally returns to battle Goku for the final time!
Aired 12/03/1997EP 41 - Curtain Call
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)