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.
(Source: ANN)
Characters & Voice Actors

Hildegarn
Main
Aomori, Shin
Japanese
Son, Gokuu
Main
Nozawa, Masako
Japanese
Tapion
Main
Yuuki, Hiro
Japanese
Trunks
Main
Kusao, Takeshi
Japanese
Bulma
Supporting
Tsuru, Hiromi
Japanese
Gotenks
Supporting
Nozawa, Masako
JapanesePromotion Videos
Recommended for you
Black Butler: Book of the Atlantic
Movie
100m
Made in Abyss Movie 2: Wandering Twilight
Movie
105m
Major S1
TV
25m
Spice and Wolf
TV
24m
Tokyo Godfathers
Movie
92m
Nodame Cantabile: Finale
TV
22m
Millennium Actress
Movie
86m
Toradora!
TV
24m
Tomorrow's Joe
TV
25m
Initial D First Stage
TV
25m
Major S3
TV
25m
Food Wars! The Second Plate
TV
24m
Laid-Back Camp
TV
23m
SKET Dance
TV
24m