'Doctor Who' series seven trailer unveiled
The BBC has released the first trailer for Doctor Who's seventh series.
The sci-fi drama's next run is expected to premiere in the autumn on BBC One.
The new clip - first screened for fans at the official Doctor Who convention on Saturday (March 24) - is mostly comprised of scenes from a forthcoming Wild West adventure, filmed on location in Spain.
The Doctor (Matt Smith) riding a horse, guest stars Mark Williams and Ben Browder, a Dalek and a new cyborg nemesis all feature in the trailer.