The series and the movie were dabbed (and quite well, I think) into Czech and broadcasted by the Czech Television (named "Zaklínač"). Maybe someone could note it, I'm not experienced in this. Thanks.
English subtitles[]
TVP Polonia, the international channel of the Telewizja Polska (TVP, Polish Television), targeted at Polish-speaking audiences outside of Poland, occasionally airs this series with English subtitles. I guess they can be called "official, then. 83.27.217.109 17:17, April 22, 2014 (UTC)