Lunn: Are you sure the Doctor won't just leave us here?
Clara: Guys look, this is how we roll. He's gonna go away, come back and we'll have to listen to how he did it.

Bennett: Wait, you're going to go back in time? How do you do that?
The Doctor: Extremely well.

The Doctor: They're ghosts! Yeah, ghosts.
Clara: You said there was no such thing. You actually poo-pooed the ghost theory.

I want another adventure. Come on, you feel the same. You're itching to save a planet. I know it.

Clara

Wait a minute, you know what this means? It means that they're not a natural phenomena. It means that someone is deliberately getting people killed, hijacking their souls and turning them into transmitters.

The Doctor

So we are fighting an unknown homicidal force - that has taken the form of your commanding officer and a cowardly alien - underwater, in a nuclear reactor. Anything else I should know?

The Doctor

We are fighting an unknown homicidal force, underwater, in a nuclear reactor.

The Doctor

We need to trap and kill a Dalek. You're the bait, I'm the hook.

Missy

In a way, this is why I gave her to you in the first place; to make you see. A friend inside the enemy, the enemy inside the friend. Everyone’s a bit of both. Everyone's a hybrid.

Missy

I didn’t come here because I’m ashamed – a bit of shame never hurt anyone. I came because you’re sick, and you asked.

The Doctor

Did I do right Doctor? Tell me, was I right? I need to know before the end. Am I a good man?

Davros

He's trapped in the heart of the Dalek empire. He's a prisoner of the creatures who hate him most in the universe.

Missy

Doctor Who Quotes

There's a horror movie named Alien? That's really offensive. No wonder everybody keeps invading you.

The Doctor

The Doctor: It's a risk.
Graham: Oh, like none of our other trips have ever been risky.
The Doctor: I have apologized for the Death Eye Turtle Army! Profusely.