Open the video in VLC Media Player. Go to Subtitle > Add Subtitle File . If the dialogue appears before or after the mouth moves:

Discovering "Moonu": How to Watch with New English Subtitles

You can find the movie with English subtitles on the following platforms:

If you already have the video file and need a separate English subtitle (SRT) file, several reputable databases provide verified 2026 versions: 3 Moonu - ‎Apple TV