Go reunites with his Mugendina and chooses to leave it under Dande's care. Afterwards, Satoshi and Go revisit the place where Go had first met his Aceburn, leading them to reconnect with Aceburn's former friends. After a confrontation with Team Rocket, Go is summoned by Project Mew, forcing him to miss Satoshi's battle with Dande.

Go travels to Hoenn for his next assignment for Project Mew. Meanwhile, Satoshi and Dande begin their full battle in the Masters Eight Tournament Finals, with Satoshi being allowed to use Mega Evolution, Z-moves and Daimax. In the battle, Gangar takes down Dande's Intereon, but Gangar is later knocked out by the opposing Barrikohru.