Yes, I believe some polyglots recommend that you never watch a movie with a disconnect between subtitles and the audio track. English audio/English subtitles i

Yes, I believe some polyglots recommend that you never watch a movie with a disconnect between subtitles and the audio track. English audio/English subtitles is fine. Assuming you are French, English audio/French subtitles is bad. French audio/English subtitles is also bad but not as bad as the previous combination. The reason is that if you have subtitles in your native language, you will tend to just focus your brain on reading them and kind of ignore the audio portion.