Downloading copyrighted content (the video file itself) without permission is illegal in most countries. Subtitles alone are generally fine, as they're considered text/derivative. Always support the official release when possible.

If you are a collector of high-quality media, you’ve likely seen the "Shaanig" tag. Shaanig was a legendary encoder known for "re-packs"—taking massive BluRay files and compressing them into manageable sizes without a massive loss in quality.