Donna: 'God, you're skinny. This wouldn't fit a rat.'
After Donna almost ruined Rose's swan song back in 'Doomsday', I can't say that I was looking forward to this year's Christmas special. Although I liked Tate in The Catherine Tate Show, I wasn't overly convinced that her and Doctor Who would be a good fit. After watching tonight's episode, I'm not altogether sure I was wrong.
