Just because a file ends in .srt doesn't mean it is safe. Unscrupulous actors often disguise executable viruses or malware as subtitle files. If you download a file from an unknown, open directory and accidentally double-click a malicious file, you could compromise your computer.
Purchase or stream "Prison Break" from official platforms like Fox, Amazon Prime Video, or Netflix, which often provide subtitles or closed captions. index of prison break season 1 english subtitles google