Shuyaku wa Watashi! Pan Uchuu ni Tobitatsu!!

Plot:

Trunks grows bored with being the President of Capsule Corporation. Chi-Chi, Gohan, and Videl convince Goku to retrieve the black star dragon balls himself, and Gohan announces his plans to join his father. Bulma, Gohan, and Videl work on the spaceship. Pan resents being treated like a kid and not being allowed to go with Goku, and she spends time with Mr. Satan. Thinking that he is Bulma's and Vegeta's kid, two thugs who are hoping for a ransom "kidnap" Goku; Vegeta recruits Trunks and Goten to join Goku on his mission.