Blind. Lust. Is all I have to say about that. Guh. JIM.
Not spoilery for the episode whatsoever, so feel free to indulge.
Meanwhile, Moffat has been leaving cruelly enticing Tweets, because he is a DICK.
And Martin Freeman's wife had this to say:
ASKHGSLKGHSKAJLSHGDSDKF HOW AM I ACTUALLY GOING TO SURVIVE??