"'Smile World' - A Duel Filled With Smiles" is the fifty-third episode of the Yu-Gi-Oh! ARC-V anime. It first aired in Japan on April 26, 2015.
Through his duel with his mother Yoko, Yuya learns of the legacy that his father Yusho has left behind - that is, a fiery passion towards dueling. Fully determined to battle against the different dimensions, Yuya makes a promise with his mother to save Yuzu and Sora! And then, the day of departure comes. To all the Lancers' surprise, Declan announces a completely unexpected destination for this trip!