DOCTOR: Where else can I go in the universe to have a bit of innocent fun, I ask you.
PERI: Well, there's always—
DOCTOR: Too dull.
PERI: —Atlantic City?
DOCTOR: Totally uninspired.
PERI: Disneyland?
DOCTOR: Oh, in a hundred years or so. Give it time to settle. Ah, this is the place for a holiday. I could never understand all those "sea and sand" places you were talking about. Taking a bath in sodium chloride, and then wallowing on a bed of mica crystals? Extraordinary way to behave. Add to that long-term exposure to ultraviolet and you go a long way towards explaining the basic irrationality of the human race.