Selena, believing Dennis to be a survivor of the Xyz Dimension, challenges him to a duel, while Sora and Shay begin their duel. Meanwhile, Yuya, shocked after seeing the Obelisk Force turn the Knights of Duel into cards, once again becomes possessed by Yuto's dark side and challenges the Obelisk Force. After Selena beats Dennis, who didn't want to use Xyz monsters and cause a misunderstanding, she and Zuzu are approached by Obelisk Force soldiers but are aided by the arrival of Declan's team of Youth duelists. Meanwhile, Yuya brings out Dark Rebellion Xyz Dragon against the Obelisk Force, just as Gong and Mieru come across him. (thetvdb.com)