Sailor Moon Crystal (2014)

S2E6 Act 20. Crystal Tokyo ~King Endymion~

Upon reaching the decayed castle of Crystal Tokyo, Sailor Moon, Sailor Venus, Luna, Artemis, and Tuxedo Mask are taken aback when they encounter a tall young man who looks remarkably like Tuxedo Mask. This mysterious figure introduces himself as the determined King of Crystal Tokyo and reveals that he is actually Tuxedo Mask's future self.