"Trunks" returns from the future to train with Gokuand Vegeta. However, he abruptly vanishes. The mystery man "Fu" suddenly appears, telling them Trunks has been locked up on the "Prison Planet", a mysterious facility in an unknown location between universes. The group searches for the Dragon Balls to free Trunks, but an unending super battle awaits them.
Aired: 2019 - 2020