After each episode or when I start another series, German subtitles and German synchro are on then I have to make subtitles every time and put them in English. Even if the next episode comes on after 5 seconds.
Another person is probably also using it and converting it
Probably through the original language of the series
Ne
It is an American series
You can set the default language for videos under Account. Once you have registered in Germany, the default is in German.