If you have a local media file (like an MKV or MP4) and need an external .SRT file, these verified databases are reliable options:

: If you find a subtitle file in another language but need it in English, services like HappyScribe or Google's free translator can convert the file for you. How to Online Translate Your Subtitles for Free

: This episode is available for free with English subtitles on Tubi .