Downloading from the Archive is technically a violation of copyright. That said, rights holders rarely pursue individual downloaders (they target uploaders). The ethical argument for fans is simple: preservation . Many episodes of the original broadcast (with original music and uncensored frames) are unavailable on modern streaming platforms.
For the best viewing experience, including remastered HD, official subtitles, or modern dubbed versions, consider using official, legal streaming services: dragon ball all episodes internet archive
Because the site is a public library of digital content, you won't find a single "official" Dragon Ball page. Instead, look for these specific types of uploads: Rare & Alt Dubs: You can find preserved versions like the Blue Water Dub Westwood Ocean Dub Downloading from the Archive is technically a violation