Castle, Season 2

[At the museum]

Castle:
Man! I love this place! When Alexis was little, we used to come here every Sunday. We would run around here for hours pretending like we were on safari in Africa or looking for dinosaurs in China.

Beckett:
You know, Castle, sometimes I forget that you have such a capacity for pure innocence in your life.

Castle:
Yeah. Plus it was a great place to pick up chicks.

Beckett:
And then you open your mouth and you ruin it.