Though a little clumsy and easily brought to tears, Usagi Tsukino is a typical 14-year-old girl in her second year of junior high. However, all of that changes when an encounter with Luna, a mysterious talking black cat, whose head bears the mark of a crescent moon, results in the animal bestowing a magical brooch upon her. Now Usagi can transform into Sailor Moon, a magical girl in a sailor uniform who protects love and peace! Usagi is appointed as a guardian of justice and is tasked with the search for the legendary Silver Crystal, a magical artifact that holds immense power, as well as finding the other Sailor Guardians and the lost princess of Luna's home, the Moon Kingdom. Her mission isn't without opposition, however; Queen Beryl, ruler of the Dark Kingdom, wants to claim the Silver Crystal and take its power for her own. Though she still has to worry about her school, family, and love life, it is up to Sailor Moon and the other Sailor Guardians to save the day! [Written by MAL Rewrite]

The Sailor Guardians and their leader, Sailor Moon, continue their duty of protecting Earth from any who would dare cause it harm. However, Sailor Mars' apocalyptic visions and the appearance of two new guardians—Sailor Neptune and Sailor Uranus—signal that a new battle will soon begin. These newcomers seek three Talismans that are inside the Pure Heart Crystals within human beings. Once brought together, these objects form The Holy Grail, a magical relic with extraordinary abilities. They want to use the Grail to save the world, but an evil organization known as the Death Busters seeks its power for their own desires. The removal of a Talisman from a person's Heart Crystal will cause their death, something that Uranus and Neptune see as a necessary sacrifice to form the Grail, while Sailor Moon and her group deem it unforgivable. But can any sacrifice be worth the cost if it saves the lives of the entire human race? [Written by MAL Rewrite]

Like the R Season, Sailor Stars is divided into two arcs: The first arc (also filler) solves some conflicts from the SuperS season, and also sees the return of the Outer Senshi, Haruka, Michiru, Setsuna, and Hotaru (now reborn as a child). The second arc is the actual plot from the manga. Usagi bids farewell to Mamoru, who is going to America to study abroad. In his place comes the Three Lights, an idol trio consisting of three boys, Seiya, Taiki, and Yaten. The new enemy is Galaxia, a woman who desires to rule the entire galaxy by collecting the Star Seeds of humans. Three new Senshi appear, the Sailor Starlights, who also intend to stop Galaxia without Sailor Moon's help.

SuperS centers heavily on Chibi-usa and the Sailor Team. A new enemy, the Dead Moon Circus, has now appeared. Their motive is to find the Golden Dream Mirror that would be used to rule the world. To do this, the enemy attacks innocent victims for their Dream Mirrors and test their energy. Chibi-usa also has a new ally on her side, Pegasus. This season also sees the Sailor Senshi obtaining new powers.