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.

It is the 12th film based on the popular comedy manga and anime series Crayon Shin-chan. The film was released to theatres on April 17, 2004 in Japan.