I don't use netflix because of the ethical issues associated with drm and nonfree software.

I've been learning japanese for nearly a year using yomichan[0] mpv, mpvacious[1], and anki[2].

There is a fair bit of setup involved: https://www.youtube.com/watch?v=bbg6ztWecbU&t=0

[0] https://foosoft.net/projects/yomichan/

[1] https://github.com/Ajatt-Tools/mpvacious

[2] https://apps.ankiweb.net/