Dragon Ball Z: Wrath of the Dragon

Dragon Ball Z Wrath of the Dragon, known in Japan as Dragon Ball Z Dragon Fist Explosion If Goku Cant Do It, Who Will? Japanese Z , Hepburn Doragon Bru Zetto RyKen Bakuhatsu Gok ga Yaraneba Dare ga Yaru? , is the thirteenth Dragon Ball Z feature movie. It was originally released in Japan on July 15, 1995 at the Toei Anime Fair, and later dubbed into English by FUNimation in 2006.

On a distant planet, a young alien boy frantically searches his surroundings, sword at the ready, but before he can react, he is crushed by a giant foot while someone laughs maniacally in the background.On Earth, Gohan and Videl as the Great Saiyaman I and II, respectively are summoned to the city to rescue an old, alienlike man trying to commit suicide by jumping off a bridge. Once they rescue him and take him elsewhere, the man introduces himself as Hoi and presents them with a music box, inside which he claims a hero named Tapion is trapped, and may be the Earths last chance against an approaching evil. When even Goku fails to open the music box, the Z Fighters gather the Dragon Balls and ask Shenron to open it for them. Tapion is released, but expresses anger at Hoi and Goku for freeing him, explaining that inside him is the essence of half of the ferocious monster, Hirudegarn, before fleeing into isolation. Trunks, however, takes an instant liking to Tapion, and frequently sneaks off to his location to bring him food, despite Tapion angrily telling him to leave him alone. ........

Source: Wikipedia