Dragon Ball Z The Movie 15: Bionicle

One fine day, Gohan and Videl were in the classroom when they received a message asking for help. It turns out that an old man was about to commit suicide by jumping off a building, so they quickly transformed into Saiyan Superman and went to rescue him. From this strange old man's mouth, they learned that 1,500 years ago, there was a superhero Tapio on the planet Konaz in the southern Milky Way, who was later trapped in a music box for unknown reasons. In order to prevent the coming catastrophe, Sun Wukong and his son summoned the dragon at the old man's request, and finally rescued Tapio, but found that Tapio did not appreciate it, and the old man seemed to be hiding some kind of conspiracy. Shortly thereafter, an evil monster appeared in the city. It only had the lower half of its body, and the upper half was sealed in Tapio's body. Everything is clear, and the Dragon Ball Warriors are facing a huge crisis... This film is the theatrical version of "Dragon Ball Z".