Quiz: Were you paying attention to episode 4?

The new Mr and Mrs Carson returned from their honeymoon

The Dowager tried yet another scheme to get her family to side with her over the hospital and as a result Henry Talbot and Lady Mary were reunited. Gwen returned to Downton Abbey but this time she dined upstairs.

And that's not even half the drama that filled Sunday's show. See how much you remember by taking our quiz.

Which famous faces should join the cast of Downton Abbey?

With so many legends from the big and small screen having walked the halls of Downton Abbey already, who would the cast still like to turn up at the door?

We know Patricia Hodge will be making an appearance at Christmas but prepare yourselves for some slightly less conventional suggestions - in particular yet another prospective suitor for Lady Mary...