The most reliable and legal way to download episodes for mobile viewing is through a paid subscription to a streaming service. These platforms allow you to download select titles to your device:
You can stream the series on Crunchyroll , and their "Mega Fan" or higher tier subscription supports offline viewing on mobile devices. Digital Archives & Downloads
In many international regions, the entire Bleach series, including the original run and Thousand-Year Blood War , is available to download for offline viewing.
You can download and watch on Hulu using a supported mobile device with a "No Ads" plan.
For specific MP4 files for editing or archiving purposes, some users turn to community-driven platforms:
If you are looking for tools to automate batch downloads from supported sites, developers have created open-source options:
To download episode 004 of (titled "Cursed Parakeet") in MP4 format, you can use official streaming services that offer offline viewing or legal digital archives. Official Streaming & Offline Viewing