There are several reasons why watching "Train to Busan" on YouTube is a great idea:

Did we miss a new upload? The internet changes fast. If an official English dub of Train to Busan ever appears on YouTube, this article will be updated. Until then, keep your subtitles on and your tissues ready.

For viewers who find subtitles distracting or difficult to read, the dub serves as a way to enjoy the film's fast-paced action without missing visual cues. Better Places to Find the Dub Legally

They often have cropped borders, pitched-down audio, or low resolution to avoid copyright filters.

I'm not entirely sure what you're looking for because your request is a bit . It could mean a few different things: