"Infinite Labyrinth" 2
With the eight Sailor Guardians working together, Mistress 9 is more determined to bring her beloved master to Earth by utilizing the vast powers of the Silver Crystal she now possesses. However, Hotaru's consciousness lives on and will not let her do as she pleases. With time running out, Super Sailor Moon is ready to do whatever it takes to save Chibiusa, Hotaru and the spirit of Sailor Saturn lying dormant within Hotaru as best she can.
Aired 06/06/2016EP 10 - "Infinite Labyrinth" 2
Pretty Guardian Sailor Moon Crystal: Season 3
The new season will assemble all 10 Senshi — specifically, the popular outer Senshi such as Sailor Uranus, Sailor Neptune, and Sailor Saturn will join Sailor Moon, Sailor Chibi Moon, and the others. The new season will adapt the arc from the fifth and sixth volumes of the complete edition of Naoko Takeuchi's original Sailor Moon manga.
Note: VIZ Media has labeled the 3rd cour as "Season 3", while they have labeled the 1st and 2nd cour of the first season as "Seasons 1-2".