I Don't Know. I Can't Tell The

If Anyone Said To Me 'invent A New Monster So We Can Sell More Toys', I'd Kick Them Out Of My Office.

The Trouble With A Series As It Gets Older Is It Can Feel Like A Tradition, And Tradition Is The Enemy Of Suspense, And It's The Enemy Of Comedy. It's The Enemy Of Everything, Really. So You Have To Shake It Up.

River Song: Right, I Have Questions. But Number One Is This: What In The Name Of Sanity Have You Got On Your Head? The Doctor: It's A Fez. I Wear A Fez Now. Fezzes Are Cool.

Being The Only Writer On A Successful Show Is Very Rewarding.

Come On, Rory! It Isn't Rocket Science, It's Just Quantum Physics! -the Doctor (matt Smith)