After the Ponds bowed out at the end of The Angels Take Manhattan back in October, the Doctor has turned his attentions towards a new mystery. Following his second encounter with the "impossible girl" Clara Oswald in The Snowmen , finding out who she really is and how she can exist in more than one place has become the Doctor's newest priority. Luckily, it doesn't take him long to find a new Clara to take on adventures in the second half of Doctor Who 's seventh (modern) season! We begin the half-season with  The Bells of Saint John (★★★) which, while not a bad episode in itself, doesn't feel like anything the audience hasn't seen before. The Great Intelligence is back again, only this time moving away from snow-related henchmen to a more contemporary scheme. The not-so-subtle commentary on just how vulnerable we would be from a wifi attack is great, but the dodgy looking robot things and motorcycle action sequences just reek of a generic f...