Executive Meddling: Wonder why the ending feels a little rushed? The series was supposed to go a full 52 episodes plus the specials. The ratings led the network to chop the episode order down to 49 episodes late in production.
Dark Mercury is also called "Darkury" by fans. A lesser-used name for her civilian form is "Akumi", combining the word for "evil" (whose kanji may be read "aku") and Ami. Rumor has it this name was coined by the show's staff.
In an episode where Usagi went missing and Ami had to stand in for her not to get Ikuko-mama worried. Ami went so far as to replicate Usagi's hairstyle. And so fandom started calling her "Usami".
PGSM became associated as Keiko Kitagawa and Masaya Kikawada are reunited as major characters in the Japanese drama film Dear Friends. Fans familiar to the live-action Sailor Moon will find it a huge Playing Against Type for both actors since Keiko plays a sex-obsessed loner Rich Bitch, while Masaya is her superficial D.J. love interest.
Star-Making Role: Keiko Kitagawa as Sailor Mars. This was her acting debut, which led directly to her career in film. It probably helped that, of the Sailor Senshi, most of the fandom agreed she was the best match for her character. While the other cast members are in different fields, Keiko is still the one most widely known.