第 6 集: 小泉幽助受命從三名靈界竊賊手中奪回被盜文物。
1992年11月14日 播出
Koenma reveals to Yusuke that he is a spirit detective, and must use his own unique abilities to battle demons and other threats to the Living World. Koenma additionally gives Yusuke a mission to recover three artifacts stolen by master thieves of the Spirit World. Yusuke first encounters Gouki, the first thief who possesses the Orb of Baast: an artifact that enables the user to steal human souls, especially those of children. Gouki proves to be much stronger than Yusuke, threatening to eat him alive. (Source: Wikipedia)