Steven Moffat interview for free on itunes (as video or just audio) Sherlock: Meet the Filmmaker.
Director of 8x01 and 8x02 Ben Wheatley interview.
Series 8 filming:
Spoilery for end of ep 1: Videos One. Two. Three. Four. And two cute photos from the same day of filming.
Images of filming of Ep1: Spoilers for setting and featured characters. One of Jenna.