The Doctor and Susan where at a fancy dress party.
Drunk nobody says: "You look so Human! You do! It's amazing, I could swear you were human if it weren't for the... That costume is fantastic, you could totally pass for native!"
(The Doctor and Susan look at each other cheekily.)
The Doctor: "Well, if we're already dressed for it?"
Susan: "Why the hell not? Lets go steal a Capsule!"