A special Christmas-and-Doctor-Who-themed channel ident from the BBC this year:
(Link for the embedding-challenged Facebook RSS feed…)
Also — American fans won’t have to wait long this year: Part One of The End of Time will air in the US only ONE DAY after the UK– December 26th — and Part Two will air on January 2nd, one day after the UK as well. Given download times, that’s almost the same viewing schedule as getting it via Bittorrent… :)