In episode 8, Goku faces off against Tamagami Number Three to obtain the third Demon World Dragon Ball. The battle showcases Goku's impressive adaptability to the conditions of the Demon World and his extraordinary combat skills. Using his famous Kamehameha technique, he overwhelms Tamagami, who eventually surrenders but presents one final challenge: a shell game to find the Dragon Ball. Goku cleverly notices that Tamagami throws the Dragon Ball away during the game and correctly identifies its hiding place. Impressed, Tamagami hands him the Dragon Ball and wishes him luck in finding the remaining ones.

After the victory, Goku and his companions prepare to journey to the second Demon World to meet Warp-sama and find the next Dragon Ball. Meanwhile, Arinsu and Marba scheme in the shadows. Arinsu reveals that it was not the wizard Bibidi but Marba who was the true creator of Majin Buu. They attempt to create a new, controllable Majin using a fragment of Majin Buu to overthrow Gomah and seize power as the supreme Demon King. Arinsu hints at their intention to use the Dragon Balls, of which they already possess one.

Elsewhere, King Kadan informs Hybis of Goku's success. He instructs Hybis to meet Goku at Warp-sama's location and offers an overnight stay at a hotel. Excited at the prospect of a break and "mud-colored wine," Hybis and his team discuss the existence of Dragon Balls in both the Demon World and on Earth, sparking Hybis' curiosity.

The episode ends with Goku's group preparing for their next adventure while their enemies' schemes take shape in the background.