I actually just re-watched 190, and was kind of marveling that they had such a serious episode that was also legitimately good. Sailor Moon has struggled its entire run with the more serious episodes, and it seems like they actually finally figured out how to make them more interesting and compelling in this final season. That or it's just because Sailor Stars is infinitely better than SuperS so even the story episodes are megatons better - I suppose that's a possibility too, . ...But no, really