Peter Capaldi and Jenna Coleman are back in Cardiff, back in the box, and back in action - for one of our scariest adventures yet!

The Doctor: I've seen bigger. Clara: Really? The Doctor: Are you joking? It's massive!

There's something really cool about scaring children. Traumatize a generation, that's what it's all about.

See the bowtie? I wear it and I don't care. That's why it's cool.

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

I'll be a story in your head. But that's OK. We're all stories, in the end. Just make it a good one, eh? Because it was, you know; it was the best.

I can't see what's wrong about assuming intelligence in your audience and what's bad news about being rewarded for assuming that.

You don’t just give up. You don’t just let things happen. You make a stand! You say no! You have the guts to do what’s right, even when everyone else just runs away.

An awful lot of storytelling isn't really about making people understand - it's about making people care.

Demons run when a good man goes to war.

What's the point of being a grown-up if you don't get to be immature?

Every day I’m convinced that I can’t possibly love you more… and every day I’m proven wrong.

Convince yourself that you can do it, and the rest of the world will automatically be convinced

If there was one thing she'd learned from her parents, it's that pleasure was sacred.

People tend to overstate my resilience, but, of course, I hope they're right.

I have nothing definite to apologize for; I'm just sorry about everything in general.

No matter how far apart we are, don't forget that we're still under the same sky, both traveling to the place we once dreamed of.

It's very frustrating not being on the air.

Conscience. That stuff can drive you nuts.

In the end, the truth finds a way to surface even if you don't want it to.

The year I was born, 1956, was the peak year for babies being born, and there are more people essentially our age than anybody else. We could crush these new generations if we decided too.