Subtitles themselves are often considered derivative works; downloading them for media you own (purchased discs/digital copies) is generally accepted as fair use. Distributing copyrighted video + subtitles together is illegal. The query focuses .
39 (plus 6 prequel) — but many users count the prequel as part of “season 2” in fan labeling, leading to confusion. Official complete set = S1 + Prequel + S2 + S3 = 39 episodes. Spartacus.season.1-2-3.complete English Subtitles