When the hospital she works at is transported to the moon, medical student Martha Jones joins forces with The Doctor to hunt down an alien fugitive before the oxygen runs out

The Eleventh Doctor is portrayed by Matt Smith. Steven Moffat took over as head writer and executive producer after Russell T Davies stepped down. Julie Gardner also stepped down as executive producer and was replaced by Piers Wenger and Beth Willis.

A Royal scandal, a dazzling game of cat and mouse. The seductive Irene Adler is cold, calculating, brilliant. Has Sherlock finally met his match?