Set to return to our television sets in early 2019, creator Neil Cross confirmed last year that the series will comprise of four episodes
Craig's last hurrah is due to be released late next year, meaning that there's not much time for bosses to settle on his replacement.
The 'Luther' star got down on one knee in front of friends and colleagues earlier today
Last year, we heard that filming for the new series would begin in early 2018 - the show hasn't been on our screens since 2015
Neil Cross said that while he won't be giving us too much detail any time soon we can expect big things from the forthcoming fifth season.
“These films tend to reflect the times so we always try to push the envelope a little bit. Anything is possible."
The pair handed out presents on the children's ward.
Production for the fifth series of 'Luther' will begin in January 2018, with plans for a future film whenever Idris has time
It all started over a woolly hat .
"It's very much in our minds."