We have a plan to top it. And I do think our plan is devastating. We’ve practically reduced our cast to tears telling them the plan … we’re probably more excited that we’ve ever been about Sherlock.

Rose: 'If you are an alien, how come you sound like you're from the north?' Doctor: 'Lots of planets have a north!

Don't play games with me! You just killed someone I like, that is not a safe place to stand! I'm the Doctor, and you're in the biggest library in the Universe. Look me up.

If you take most men aside when their wives are pregnant, most men are pretty frightened and worried and faintly disgusted by the whole experience.

Have you met the French? My...GOD they know how to party!

It’s been a long time since Sherlock Holmes jumped off that roof - it’s time to reveal the truth about what happened between him and the pavement.

Do you know how you make someone into a Dalek? Subtract Love, add Anger.