Sailor Moon Crystal - Season 2 - Eps 6: Act 20. Crystal Tokyo ~King Endymion~
Now that they have arrived at the ruined castle of Crystal Tokyo, Sailor Moon, Sailor Venus, Luna, Artemis, and Tuxedo Mask are all surprised to meet a tall young man who bears a strikingly close and unmistakable resemblance to Tuxedo Mask and who reveals himself as the strong-willed King of Crystal Tokyo, and Tuxedo Mask's own future self.
About Sailor Moon Crystal

Title: Sailor Moon Crystal
First Air Date: 2014-07-05
Last Air Date: 2016-06-27
Status: Ended
Rating: 8.129/10 (from 642 votes)
Language: JA
Seasons: 3
Total Episodes: 39
Network: Tokyo MX Niconico
Genres: Animation, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Usagi Tsukino is chosen to be a guardian of justice and is sent on a quest to locate a Silver Crystal before the Dark Kingdom invades the Earth.
Cast

Kotono Mitsuishi
Usagi Tsukino / Sailor Moon (voice)

Hisako Kanemoto
Ami Mizuno / Sailor Mercury (voice)

Rina Sato
Rei Hino / Sailor Mars (voice)

Ami Koshimizu
Makoto Kino / Sailor Jupiter (voice)

Shizuka Itoh
Minako Aino / Sailor Venus (voice)

Kenji Nojima
Mamoru Chiba / Tuxedo Mask (voice)

Ryo Hirohashi
Luna (voice)