Dragon Ball Z: Bojack Unbound, known in Japan as , is a 1993 Japanese animated science fantasy martial arts film and the ninth Dragon Ball Z feature film. It was released in Japan on July 10 at the Toei Anime Fair, where it was shown alongside Dr. Slump and Arale-chan: N-cha! From Penguin Village with Love and the first Yu Yu Hakusho film. The antagonist Bojack was created by Takao Koyama and was designed by series creator Akira Toriyama. The film is the last to feature Kōhei Miyauchi as Master Roshi, who died two years after its release. Plot A wealthy family hosts an intergalactic martial arts tournament on Earth in which fighters from across the galaxy compete including Gohan, Piccolo, Future Trunks, Tien Shinhan, Yamcha, and Krillin. All but Yamcha effortlessly advance much to the concern of Mr. Satan who recognizes them from the battle against Cell and knows he will need to face whichever one of them wins. In the semifinals, Trunks fights Tien and defeats him and Piccolo is annoyed by the lack of challenge and forfeits against Krillin. Gohan, Trunks, and Krillin advance to the finals where they each battle an alien fighter. However, as the alien fighters are revealed, the fight promoter realizes that these are not the staged, fake aliens that he recruited for the event. Trunks is challenged by a sword welding alien warrior named Gokua, Krillin is defeated by a female alien named Zangya, Gohan confronts the mysterious alien Bujin, and another tournament contestant Doskoi is killed by the alien fighter Bido. Meanwhile, having been complaining of fake stomach pain to avoid fighting, Mr. Satan gets trapped in a transportation pod and sent to the battlefield. Trunks is surprised by his alien opponent's lethality and is forced to transform into a Super Saiyan to kill him. Trunks is then struck down by an unknown foe while Gohan continues his fight with Bujin until he discovers Trunks and Krillin have been incapacitated. Bojack arrives and tells Gohan about his plans to conquer the universe. Tien and Yamcha join the fight but are quickly defeated by Bojack's minions. Gohan fights them as Bojack watches on in amusement. While in the Other World, Goku and King Kai watch the battle with concern. King Kai reveals that centuries prior, the galactic warlord Bojack had been sealed inside of a star by all four Kais, but when