If you don't need to "own" the file forever but want to download it to your phone for a trip, a subscription service might be more cost-effective.
The journey of Z-Fighters across the Dragon Ball Z series is a definitive epic of modern storytelling, and owning the complete series via digital download Dragon Ball Z Complete Series Digital Download
The Dragon Ball Z complete series digital download is available on various platforms, including: If you don't need to "own" the file