- The Doctor: I'm sorry, I didn't catch your name the last time we met.
- Lukoser: Dor... Dor...
- The Doctor: Never mind. You can tell me later.
- Yrcanos: His name is Dorf and you are scum.
- The Doctor: No, actually I am known as "the Doctor."
- Peri Brown: Oh... Oh, it's strange. Ever since we came to Thoros Beta I've been homesick. Well, not so much for a place but a time. Just wanna be back in my own time with people I love.
- The Doctor: Where is everyone?
- Mentor: There is only one subject here, in the implantation cubicle.
- The Doctor: May I examine him? I have Crozier's permission.
- Mentor: Oh, if you must, but try not to disturb him.
- The Doctor: I shall be as quiet as the silence that is in the starry skies, only quieter still.