- [playing The Doctor during a recording of an episode, William Hartnell gets his words wrong]
- William Hartnell: Quickly, child. We're running out of time. Check the fornicator!
- [Susan giggles]
- William Hartnell: Er, the fault locator.
- [a cameraman catches his first sight of a Dalek]
- Cameraman: What the hell's that? A sink plunger and an egg-whisk? Oh well, if they can't take over the universe they might at least be able to whip up a decent omelette.
- Verity Lambert: [pitching the character to Bill Hartnell] C.S. Lewis meets H.G. Wells meets Father Christmas - that's the Doctor.
- Sydney Newman: [discussing the opening credits] Change it.
- Verity Lambert: Over my dead body.
- Sydney Newman: It can be arranged.
- William Hartnell: You'll see. You'll see, when I'm on the television. We'll be going back through history to meet kings and queens, and off to distant planets, where the Doctor will have all kinds of adventures.
- Judith Carney: The Doctor?
- William Hartnell: He's the old man I'm playing.
- Judith Carney: A doctor? Does he make people better?
- Mervyn Pinfield: Is it right you were Sydney's production assistant on the other channel?
- Verity Lambert: Yes.
- Mervyn Pinfield: So this is quite a promotion.
- Verity Lambert: Apparently.
- Mervyn Pinfield: Bound to ruffle a few feathers.
- Verity Lambert: If feathers don't ruffle, nothing flies.