Here's a breakdown:
* Sailor Moon (1992-1997): This is the original anime series and is broken down into 5 arcs, each with its own opening theme and ending.
* Sailor Moon R (1993-1994): This is the second season, and it continues the story from the first season.
* Sailor Moon S (1994-1995): This is the third season, and it introduces new villains and challenges for the Sailor Guardians.
* Sailor Moon SuperS (1995-1996): This is the fourth season, and it takes a slightly different approach to the story.
* Sailor Moon Stars (1996-1997): This is the fifth and final season of the original anime series, and it brings the story to a close.
There is also a reboot of the series called Sailor Moon Crystal (2014-2019), which was released in 4 seasons.