Castle: If something were to happen to me I want you to watch out for Alexis. She looks up to you, and if a worth man would get frisky you can shoot them.
Beckett: Nothing is gonna happen to you.
Castle: But if it does...?
Beckett: Ok.
Castle: And would you also go into my closet and get rid of my porn collection before she finds it?
Esposito: Don't worry, Bro. I got you covered in that.