Episode 1 : Christmas Special: The Runaway Bride (2006)
No sooner has the Doctor said a tear-stained farewell to Rose Tyler, he finds himself face-to-face with a woman, played by comedienne Catherine Tate, dressed in a fluffy white wedding dress. Who is she? Who is she supposed to be marrying? And how did she get on board the TARDIS?
Episode 2 : Smith and Jones
The Doctor meets Martha Jones, a medical student in London, under unusual circumstances when her entire hospital is transported to the Moon. Can she learn to trust this mysterious stranger to save them all?