The Prison Planet was only the beginning of Fu's experiments. The series is set outside of the main continuity and explores several alternate scenarios within the franchise.įollowing the Tournament of Power, a mysterious figure named Fu, who after kidnapping Future Trunks, lures Goku and Vegeta to the Prison Planet, an experimental area which Fu created and has filled with strong warriors from different planets and eras in order to force them into a game where they must collect the seven Special Dragon Balls if they wish to escape. The series premiered on July 1, 2018, and was produced by Toei Animation without the involvement of Dragon Ball creator Akira Toriyama. Super Dragon Ball Heroes ( Japanese: スーパードラゴンボールヒーローズ, Hepburn: Sūpā Doragon Bōru Hīrōzu) is a Japanese original net animation and promotional anime series for the card and video games of the same name.