- [the TARDIS has landed, rather bumpily, in a London Underground railway tunnel]
- Dr. Who: For the moment, we have eluded our captor. Look at the scanner, both of you.
- Victoria: Well, where are we?
- Dr. Who: I really don't know, Victoria. Shall we go out and have a look.
- Victoria: Now? Is it safe?
- Dr. Who: [mischievously and airily] Oh, I shouldn't think so for a moment! Jamie... I think we're going to need torches.