Twins are under-represented in the media. Hamlet - never twins. Hamlet Twins Of Denmark. King And Queen Lear. It would work. Come on, more twins on television.

The Doctor: Just had a fall. All the way down there, right to the library. Heck of a climb back up. Amelia: You're soaking wet. The Doctor: I was in the swimming pool. Amelia: You said you were in the library. The Doctor: So was the swimming pool.

Everybody knows that everybody dies. But not every day. Not today. Some days are special. Some days are so, so blessed. Some days, nobody dies at all. Now and then, every once in a very long while, every day in a million days, when the wind stands fair and the Doctor comes to call, everybody lives.

There's something that doesn't make sense. Let's go and poke it with a stick.

It's a TV show. Only the emotional damage is real.

Sarah Jane Smith was everybody's hero when I was younger, and as brave and funny and brilliant as people only ever are in stories. But many years later, when I met the real Sarah Jane - Lis Sladen herself - she was exactly as any child ever have wanted her to be. Kind and gentle and clever; and a ferociously talented actress, of course, but in that perfectly English unassuming way.

I think training in comedy, as it were, a history writing comedy, is a powerful tool for anyone.