This is the only time in the anime where Luna's human form was shown.
This was the first time that Chibiusa's extended transformation into Sailor Chibi Moon was seen.
Princess Snow Kaguya's ominous theme songs would later be the theme songs to Queen Nehellenia on Super S and Sailor Stars.
Due to the presence of three Outer Sailor Guardians, Chibiusa, and the Holy Grail, as well as the winter break being mentioned, this movie likely took place sometime around Believe in Love! Ami, a Kind-Hearted Soldier (1995) before Hotaru Tomoe was revealed to be the reincarnation of Sailor Saturn.
Sailor Moon Uses A Deferent Speech in the VIZ Version than in the DIC Version when Arguing her Point on why the Earth Is Beautiful to Princess Snow Kaguya during their Final Conflict