The orb is actually a powerful, cursed object that can either save or destroy the world depending on who wields it. The Dark Tamatama clan wants to use it to unleash chaos, while the Tamatama clan wants to seal it away forever. Shinnosuke, oblivious to the danger, treats the orb as a toy, leading to hilarious and action-packed situations.
Actually, the film you’re referring to is likely: shin chan movie dark tama tama
Yes — the 8th Crayon Shin-chan movie, released in Japan on April 22, 2000. Its full Japanese title: ? No, that’s a different one. Let’s be precise. "Crayon Shin-chan: The Storm Called: The Dark Tama Tama" (2000) Japanese title: クレヨンしんちゃん 嵐を呼ぶ 暗黒タマタマ大追跡 Romanized: Kureyon Shin-chan: Arashi o Yobu: Ankoku Tamatama Daitsuiseki English literal: Crayon Shin-chan: The Storm Called: Great Pursuit of the Dark Tama Tama Plot Summary One night, Shinnosuke Nohara dreams of a mysterious woman in a traditional Japanese setting, who hands him a glowing orb — the "Dark Tama Tama." The next day, he wakes up to find the orb real and in his possession. Soon, the Nohara family is caught in a wild chase involving two rival ninja clans: the Tamatama clan (good) and the Dark Tamatama clan (evil). The orb is actually a powerful, cursed object