Filming has begun in Cardiff on the new series of Doctor Who, which will feature Amy and Rory's (Karen Gillan and Arthur Darvill) "heartbreaking departure".
Commenting on his return as the Doctor, Matt Smith said: "It's thrilling and exciting to be back and working with two of my closest friends."
Gillan added: "It's just brilliant to be back on the TARDIS with Matt and Arthur for our craziest adventures yet."
Fans have been told that the Doctor will meet a new friend as part of the new series' "14 big, blockbuster-movie episodes" and that the upcoming season will build towards the show's 50th anniversary celebrations.
