The final countdown is on for Doctor Who fans eagerly awaiting the Christmas special - Voyage of the Damned.
Pop star Kylie Minogue stars alongside David Tennant in the one-hour episode which hits our screens on Christmas Day at 6.50pm on BBC One.
Kylie plays Astrid - a waitress on the Titanic ship which sank in 1912.
The story follows on from series three when viewers saw the ship crash through the Tardis walls. But is Astrid good or bad? Tune in to find out!