"Sinister Memories! Nash vs. Vector the Devil!!" is the one-hundred and thirty-sixth episode of the Yu-Gi-Oh! ZEXAL anime. It first aired in Japan on January 12, 2014.

Having absorbed Dumon and Marin's power, Vector gains terrifying power. He sets his sights on Nash next, as Nash burns with rage from having lost his sister Marin. Nash immediately accepts Vector's challenge to a Duel, but ends up in a troubling situation due to Vector's cheating ways. But then both of their remaining hidden true memories begin to reawaken!