Most Chinese content providers like iQIYI , Tencent Video , or Youku allow offline downloads within their mobile apps.
Websites offering "free MP4 downloads" for specific episodes often contain malware or invasive ads. Download Hui JiaKXSD EP1376 mp4
Is this part of a (like Temptation of Going Home )? I can give you more specific instructions for your device. Most Chinese content providers like iQIYI , Tencent
If the episode is hosted on YouTube by the official production house, you can use YouTube Premium to download the MP4 file directly for offline viewing. Most Chinese content providers like iQIYI