- [the Doctor is writing notes on a wall with a marker]
- Graham: Oi! Whoa, whoa, whoa, what are you doing? That is vandalism, we'll have to pay for that!
- The Doctor: Don't worry, special pen.
- Graham: No, pack it in, you ain't Banksy!
- The Doctor: [replying in a mysterious tone of voice] Or am I?
- Krasko: Blue box in the alley, is it a TARDIS?
- The Doctor: Might be. What's it to you?
- Krasko: Well, could be worth a lot.
- The Doctor: Nah, not that one. Second hand, huge mileage, one careless owner!
- Waitress: We don't serve Negroes.
- Ryan Sinclair: Good. 'Cause I don't eat them.
- Waitress: [looks at Yasmin] Or Mexicans.
- Yasmin Khan: Is she talking to me?
- Ryan Sinclair: [outside bar after waitress accuses Yasmin of being Mexican] What do you reckon Mexican lady?
- Yasmin Khan: Keep that up and I'll use you as a piñata.