Clara: What now? We can't stay in here, we're going to freeze to death. We can't go back out there because the sandmen will get us.
The Doctor: Sandmen?
Clara: Yeah it's a good name. Fits, like the song.
The Doctor: No no no no you don't get to name things. I'm the Doctor. I do the naming.

What used to be sleep in your eye, has turned into a carnivorous life form.

The Doctor

The Doctor: But sleep is vital. Sleep is wonderful. Even I sleep.
Clara: When?
The Doctor: Well, when you're not looking.

24 hours ago this station fell silent. No comm signal, nothing. Dead. We've come to find out why.


You can't fight them Doctor. There's no point. They're the future. A new life form. A better life form. It's very clear to me now, they made me understand. And we're to be their food.


Nagata: What are you doing?
The Doctor: I've hacked into your helmet-cams.
Nagata: What?
The Doctor: Reviewing the footage. There's something not right here.
Nagata: We don't have helmet-cams.

They came to find me. This is my station. My lab. I've pieced together the rescue as best I could.


The Doctor: I need to know. Which one are you?
Osgood 1: I'm Osgood.
The Doctor: Human or Zygon?
Osgood 1: I'll answer that question one day. And do you know when that day will be?
Osgood 2: The day nobody cares about the answer.

Clara: You must have thought I was dead for a while?
The Doctor: Yeah.
Clara: How was that?
The Doctor: Longest month of my life.
Clara: It could only have been 5 minutes.
The Doctor: I'll be the judge of time.

You know, I'm over two thousand years old. I'm old enough to be your messiah.

The Doctor

Osgood: Never really met Clara. Pretty strong, yeah?
The Doctor: She was amazing.
Osgood: No, not was... is. It's not from the Zygon. It's from Clara.
The Doctor: How?
Osgood: She's not dead. She's in a pod somewhere.

The only way anyone can live in peace, is if they're prepared to forgive.

The Doctor

Doctor Who Quotes

You’ll find that it’s a very small universe when I’m angry with you.

The Doctor

Great men are forged in fire. It is the privilege of lesser men to light the flame. Whatever the cost.

Warrior Doctor