Where can I watch seasons 4 and 5 with English subtitles?

that is vary simple. If Du want to watch it, why not buy it on Ebay? $60 oder so for a season (uncut of course) and it varys to diferent DVDs.

Go to watchsailormoon.com season 5 has subs and seasons 1, 2, 3, &4 are in english

if Du want to see subbed seasons go to animecrazy.net i am watching season 1 subbed here and there is subs of songs ion japanese and in englishbut there is a lot of pages Du can watch sailor moon just look in Google and season 5 in subs is everywhere even on Youtube because it was never dubbed