Starts in September. The press have seen advanced screenings held at Highclere Castle this week and reviews are popping up everywhere - the least spoilery teaser is probably The Guardian's one. Basically it begins mid way through WWI in 1916 and we'll get to see Thomas and Matthew fighting in France. Thomas is 'traumatised' and desperate to get back to Downton. This series is supposed to be a bit darker and we'll see how the lives of the upstairs bunch are affected by the war. Every major character is back with a couple of newbies too. All in all it should basically be the TV event of the year. I'M SO EXCITED.