"A New Power Is Born!"

Sailor Pluto, Sailor Uranus and Sailor Neptune have all been incapacitated by Nehelenia's Mirror Parody. They watch helplessly as a Mirror Parody approaches baby Hotaru lying on the ground where Pluto left her. Suddenly a great burst of energy comes from Hotaru and Pluto, Uranus and Neptune find themselves floating surrounded by this energy. They then transform into their super forms for the first time.
Key Cel
Sailor Stars Episode #167
The nightmare is scattered! The Queen of Darkness revives
Akumu no Hana wo Chirasu Toki! Yami no Joou Fukkatsu