In our brand new interview, Robert James-Collier explains the motives behind the extreme measures Thomas has taken to rid himself of his sexuality.
This week's episode may have packed a punch, but how much do you remember?
Take the Downton episode five quiz.
Decisions must be made and loyalties are tested, get a taster of what's to come in our picture preview.
Could there be trouble ahead as Simon Bricker's interest in Lady Crawley intensifies?
Watch our exclusive interview with Hugh Bonneville, Elizabeth McGovern and Richard E. Grant, as they reveal why Downton Abbey's cornerstone couple may be heading for troubled waters.
Take our poll and tell us if you think Cora is being taken for granted.
Will Mary decide who will be her suitor? Can Robert make amends with Cora?
Get a taste of what's in-store in this week's picture preview.
Mary may be about to embark on a risky rendezvous with Lord Gillingham, but has she forgotten about Blake?
Watch our exclusive interview with Downton Abbey stars Michelle Dockery, Tom Cullen and Julian Overden.
Tell us who you think Mary should marry in our poll below.