Most “remastered” 480p releases of One Piece are fan-encoded , not sold commercially. They exist in a legal gray area.
The file type you’re looking for is commonly shared via torrent sites dedicated to anime (such as Nyaa.si) or IRC fansub channels . Search for tags like [Remux] , [DB] (Digital Bandits), [HorribleSubs] (early releases), or [Cleo] (known for high-quality 480p encodes).
: The footage is upscaled to HD (720p or 1080p), colors are often more vibrant, and lines are sharpened.
Happy watching, and don't forget to share your thoughts on this iconic episode!
While the specific file you mentioned is likely from a third-party source, official high-quality versions are widely available: