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
Hakata Tonkotsu Ramens
TV
23m
Dropkick on My Devil!! Dash
ONA
23m
Magical Girl Lyrical Nanoha
TV
25m
Full Metal Panic! The Second Raid Episode 00
Special
5m
Initial D Extra Stage 2
OVA
54m
Joshiraku OVA
OVA
23m
The Future Diary: Redial
OVA
29m
Blue Legend Shoot!
TV
25m
Date A Bullet: Dead or Bullet
Movie
24m
Free! - Iwatobi Swim Club
TV
24m
The Morose Mononokean
TV
24m
GARO: THE ANIMATION
TV
24m
The Gokusen
TV
23m
High School DxD
TV
24m