The official Doraemon the Movie YouTube channel occasionally releases short trailers with English subtitles. Furthermore, the Doraemon Channel sometimes posts full episodes, but English subtitles are rare. Be wary of fan-uploaded videos, as they are frequently taken down for copyright.
Smart TVs often struggle with external subtitle files. The best method is to "hardcode" the subtitles (burn them permanently into the video) using free software like HandBrake:
If you have downloaded a raw Japanese video file (usually .mkv or .mp4), you can add your own Doraemon in English subtitles using SRT files.
This method is excellent for the movies, as most classic films have high-quality SRT files available.
