Castle: Reading the paper? You are going to lose all of your wired teen hyper texting nano gizmo street cred.
Alexis: I'm a rebel. I like it old school.


Castle: C'est apres minuit dans une school night.
["It is after midnight on a school night" in French]
Castle: Don't you turn into a pumpkin or something?
Alexis: Not when your dad's been escorted away by cops. How was the slammer? Anyone make you their b!+ch?
Castle: [pause] Sorry, switchblade. I still belong to you. Baby bird?
Alexis: Already brushed.
Castle: Your loss.


Castle: It's so not okay! After everything I've done for him, he goes and tries to steal my muse!
Alexis: Muse thievery, what's the punishment for that? Five to ten in mythology jail?

Alexis: Are you trying to figure out how to murder someone in their sleep again?
Castle: Not this time.


Alexis: How come we never had a nanny?
Castle: Well your mother and I decided if someone was going to screw you up, we wanted it to be me.


Alexis: [to Martha] You were the crazy homeless woman.
Castle: And some might say still are.


Alexis: Is insanity inherited?