Dragon Ball Z: ¡La explosión del Puño del Dragón! Si Goku no puede hacerlo, ¿quién lo hará?

The Z Warriors discover an unopenable music box and are told to open it with the Dragon Balls. The contents turn out to be a warrior named Tapion who had sealed himself inside along with a monster called Hildegarn. Goku must now perfect a new technique to defeat the evil monster.