Doraemon Underwater Adventure -1983- Remastered... -

Would you like help finding a subtitle file or a comparison between the original DVD and the remastered version?

It looks like you're referring to a specific fan project or a lost media artifact: (1983) — potentially a short film, OVA, or a video game tie-in that someone has "remastered." However, there is no officially recognized Doraemon anime or film by that exact title from 1983 in the standard Fujiko F. Fujio catalog. Doraemon Underwater Adventure -1983- REMASTERED...