|David Tennant has stepped into the role of the tenth Time Lord, as filming commences on the highly anticipated Christmas special and second series of 'Doctor Who' for BBC One.
Billie Piper returns as the Doctor's feisty young companion, Rose Tyler, and together they will travel through time and space battling new and returning aliens and monsters.
David Tennant said of his striking new look: "I think we've come up with something distinctive that's both timeless and modern, with a bit of geek chic and of course, a dash of Time Lord!
"Most importantly, Billie tells me she likes it - after all, she's the one who has to see me in it for the next nine months! "
Billie Piper, who will star alongside Tennant in the Christmas special and all 13 episodes in series two, said: "I'm thrilled to be stepping back into the role of Rose.
"We plan to make series two even bigger and better and challenge the viewers' imaginations like never before. Wait until you get a load of the new doctor!"
Russell T Davies, writer and Executive Producer, added: "We were delighted and honoured by the first series' success, and we can promise new thrills, new laughs, new heartbreak, and some terrifying new aliens.
"The Doctor and Rose are destined to meet Queen Victoria, an evil race of Cat Women, and the dreaded Cybermen. 2006 is going to be scarier than ever!"
Filming of the Christmas episode kicks off in London and continues in various locations across Wales, predominantly in Cardiff.
The directors include James Hawes, Euros Lyn and Graeme Harper. The producer is Phil Collinson; Executive producers are Head of Drama, BBC Wales, Julie Gardner and Russell T Davies.