The world exclusive clips are from the Steven Moffat-scripted special which features Matt Smith, Jenna-Louise Coleman and Richard E Grant.
BBC press release:
Doctor Who, featuring Matt Smith, will also bring viewers an extra special 'prequel' to its Christmas special, with a bespoke storyline made for Children in Need, and an exclusive preview trailer of the Christmas special including the first glimpse of the Doctor with his new companion.
Children in Need raises money to support disadvantaged children in the UK, click HERE for details on how to donate.
The 2012 live show will be presented by Sir Terry Wogan, Fearne Cotton, Tess Daly and Nick Grimshaw on Friday 16th November, 7.30pm, BBC One.