Doctor Who: [to the Gundan trying to kill him] This could be a very short friendship.
Rorvik: What do you know about the Time Lines?
Romana: My ship travels through them. So does yours.
Packard: How do you know that?
Romana: It must do. That's how we've all got stuck here. We are in the theoretical medium between the striations of the continuum.
Rorvik: You know about warp drive?
Romana: What are you using, Continuum Warp or Implicate Theory?
Lane: Super Lightspeed with dampers.
Romana: Well, it's probably your Tyroidal Time Dilators. They're usually the first to go.
Doctor Who: [talking fast as a Gundan bears down upon him] You're a machine. I usually get on so well with machines. I don't suppose you happen to know the way out into N-Space, do you? I believe it must be somewhere around here. It's... Uh...
K9: The accuracy of this unit has deteriorated below zero utility.
Adric: You mean you're worse than useless.
Gundan: We are Gundan. We exist to kill. Slaves made the Gundan to kill the brutes who rule.
Doctor Who: What particular brutes did you have in mind?
Gundan: The Gundan were sent where no slaves could go. We faced the Time Winds and we lived. They had only the gateway to flee for safety.
Doctor Who: Gateway? Gateway to where?
Gundan: Gateway... Gateway... Gateway...
Doctor Who: Gateway to WHERE? Just as it was getting interesting. If only I had an alternative source of energy.
K9: [entering] Orders, Master.
Doctor Who: K-9! Just the chap I wanted.