- Leela: Doctor, what is robophobia?
- Doctor Who: It's an unreasoning dread of robots. You see, most living creatures use non-verbal signals. Body movement, eye contact, facial expression, that sort of thing.
- Leela: Body language.
- Doctor Who: Exactly. While these robots are humanoid, presumably for aesthetic reasons, they give no signals. It's like being surrounded by walking, talking dead men.
- Leela: That's what Poul said.
- Doctor Who: Yes. Undermine certain type of personality, causes identity crisis, paranoia, sometimes even personality disintegration. Robophobia.
- Doctor Who: [to Taren Capel] You look ridiculous in that outfit. Not half the robot your father was.
- Leela: Doctor, why didn't the helium make YOUR voice go squeaky?
- Doctor Who: Because I'm a Timelord. I've been around, you know. Two hearts, respiratory bypass system, I haven't lived 750 years without learning something .. after you... mouse!