- John Steed: Now someone, or something got from here to there without being detected. Now there must be an explanation and I intend finding it!
- Emma Peel: With a shoebox?
- John Steed: They laughed at Edison.
- Emma Peel: Only when he was serious...
- Simon Roberts: It's going to be difficult, father.
- Peter Roberts: All business is difficult. Decisions like this take stength! And strength is power, remember that!
- Simon Roberts: Yes, father.
- Professor Poole: Why do you persist in bothering me, why can't you leave me alone? Wasn't the dodo warning enough?
- John Steed: Dodo?
- Professor Poole: Wouldn't leave that alone. Now it's extinct. Gone. And so have I.
- John Steed: What's that?
- Emma Peel: Items found at the scene of the crime.
- John Steed: Your items are not very interesting.
- Emma Peel: It's a loud of rubbish.
- Emma Peel: You did receive a letter from our London office?
- Arnie Packer: Not a word.
- Emma Peel: Ah... now that was very remiss of them. I understood they would write.
- Stanton: And what did you understand they would say?
- Professor Poole: [on phone] It is imperative I see you tonight. Now. At once, eh, right away.
- Emma Peel: [on other line] You mean immediately? All right, I'll come right now.