Doctor Who' Christmas special plot

The BBC has teased viewers about the plot of Steven Moffat's upcoming Doctor Who Christmas special.

the episode, which will guest star Michael Gambon and Katherine Jenkins, 1843 novel A Christmas Carol.

Doctor Who's clever twist on the much loved A Christmas Carol will thrill BBC One viewers this year with special guest stars Sir Michael Gambon and singing sensation Katherine Jenkins joining Amy and the Doctor

Dickens appeared as a character in the episode 'The Unquiet Dead' with Simon Callow playing the Victorian author.

Writer and executive producer Steven Moffat also revealed that the episode will include a "honeymoon" and be like "all your favourite Christmas movies at once".

Speaking on her first day on set, Jenkins said: "I'm over the moon to be involved in the Doctor Who Christmas special.

"I can't quite believe it as it's a part of the family tradition at the Jenkins household. I heard the news that I got the role on my 30th birthday and it was the best birthday present ever!"

Filming will continue until August.