Dragon Ball Heroes Episode 1 English Dubbed|Goku vs. Goku! A Super Battle Begins on the Prison Planet
Air Date: July 1, 2018
Goku and Vegeta’s training with Whis and Beerus is interrupted by Mai, who came from the future, telling them that Future Trunks has been captured. A mysterious figure emerges who introduces himself as Fu and tells Goku, Vegeta and Mai that Future Trunks is trapped in a world called the “Prison Planet”, a planet where warriors from alternate timelines and dimensions fight as part of an experiment conducted by Fu. The trio arrive on the planet where they meet an alternate version of Goku, (dubbed “Red Goku”) who is revealed to be part of a group called the Time Patrol, who assumes that Goku is working for Fu and immediately transforms into Super Saiyan 4 to attack Goku, who reacts by transforming into Super Saiyan Blue. The two fire a Kamehameha which triggers Fu, explaining the planet is inescapable unless the group searches for the Dragon Balls to escape. The two Goku’s agree to work with eachother. Meanwhule, Trunks is seen in prision when a door opens. After walking out of his prison, Future Trunks sees Cooler flying over him, demanding a Dragon Ball and preparing to fight Future Trunks. As Fu observes the planet, he tells an evil Saiyan that his time will come.