Not sure if this has already been mentioned, but the Czech National Ballet's Nutcracker (2017) is available for free at Ovation TV, found it under one of the media links Jan posted.
https://www.ovationtv.com/watch/battle-of-the-nutcrackers/czech-national-ballet-the-nutcracker-2017/
Ballet Zurich's 2018 Nutcracker seems only available in the US, and the Mariinsky's 2012 Nutcracker is also available, but this is already on YT.
Czech National Ballet is also streaming their 'Nutcracker-A Christmas Carol' free on YT from 21 Dec-27 Dec.
https://www.narodni-