[The more excited he becomes by discussing the sort of people that are around, the wider she smiles and the more her head swivels this way and that, trying to watch and keep up with him. She's about to open her mouth and respond when his entire demeanor changes, and she's left gaping up at him, finger pointed up in the air.]

Figured the kidnapped part already.

[Her hand drops and she frowns, nose wrinkling up in a mixture of confusion and thought.]

You said the TARDIS is here, though. Can't we just step in and pop off back where we came from? We can't really, actually be stuck here.

[She laughs a little, almost as if she wouldn't believe it if he said it were the case. But then she's left looking up at him with wide eyes, hand reaching out to grab hold of his arm.]

Can we, Doctor?