Trunks returns from the future to train with Goku and Vegeta. However, it disappears without warning. Then the mysterious Fu bursts in, telling them that Trunks has been imprisoned in the Prison Planet, a mysterious complex in an unknown place in the universes. The group seeks the dragon balls to free Trunks, but an endless battle awaits them! Will Goku and the others rescue Trunks and escape the Prison Planet?
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Your Next Unwatched
1x01
悟空vs悟空!监狱惑星で超绝バトル开幕!
aired Jun 30, 2018
Comments
I think season 3 was added two times (as season 3 and season 4). They are the same episodes.