Christmas teasers

1. The Doctor finally tells a lie too big for the psychic paper.

2. "The other half is ****** the *****."

3. We learn exactly why bow-ties are cool.

4. Abigail breaks into song twice, but there's an interesting reason why.

5. The Doctor once spent a revealing evening with Frank Sinatra, Einstein and Father Christmas.

6. "Why are they singing?" "For ***** *****."

7. Turns out The Doctor is rubbish at card tricks.

8. "Marilyn, get your coat!"

9. Kazran gets a glimpse at his past, present and future - but not in the way you might expect.

10. "No chance. Completely impossible. Except at Christmas."