It is the first time we will see Kate in the series, with the now-Princess of Wales being played by another newcomer, Meg Bellamy.
In the first-look images released by Netflix, we see the future Duke and Duchess of Cambridge separately, presumably during their time at the University of St Andrews, while another image shows them walking hand in hand.
The Crown's fifth season proved to be the most controversial yet, with some viewers and commentators decrying the series' deviations from reality and from history.
Read more:
Amongst those who were critical was Dame Judi Dench, who wrote a letter published in The Times which said that "the closer the drama comes to our present times, the more freely it seems willing to blur the lines between historical accuracy and crude sensationalism".
Dench also wrote that "significant number of viewers, particularly overseas, may take its version of history as being wholly true".
By entering your details, you are agreeing to our terms and conditions and privacy policy. You can unsubscribe at any time.
Ahead of the fifth season, Netflix added a label underneath both the trailer for the new episodes and on the show's Twitter page, as well as on the Netflix site itself, calling the series a "fictional dramatisation".
Season 5 was the first to debut after Queen Elizabeth II's death. Charles star Dominic West said that he didn't think the new season arrived "too soon", but instead that it was "rather poignant" and a way to remember the Queen's life.
The Crown season 6 will stream on Netflix, while seasons 1-5 are available now. Sign up for Netflix from £4.99 a month. Netflix is also available on Sky Glass and Virgin Media Stream.
Check out more of our Drama coverage or visit our TV Guide and Streaming Guide to see what's on tonight.
Try Radio Times magazine today and get 12 issues for only £1 with delivery to your home – subscribe now. For more from the biggest stars in TV, listen to The Radio Times Podcast.
