When searching for Prison Break Season 1 Subtitles YIFY New, here is the checklist for the 22-episode season. Be wary of generic subtitle packs that do not specify the release group.
Once you have located the subtitle file (usually an .srt file), the setup is simple: prison break season 1 subtitles yify new
If you're having trouble finding the subtitles on YIFY or prefer not to use torrent sites, you can also try: When searching for Prison Break Season 1 Subtitles