Hola! On behalf of the NYPD, I'd like to welcome you to the world's greatest city!

Slaughter

I feel like he's cheating on us.

Ryan

Well done, Sherlock.

Slaughter

Never say awesome. You're a grown man.

Slaughter

I need a writer around as much as I need a case of crabs.

Slaughter

Am I packing? No, I'm not a cop! My vest says writer on it!

That was awesome! Beckett never drives on the sidewalk!

Forget severed heads, I want to meet that guy!

Martha: Playing with dolls, are we?
Castle: They are action figures.

Lift up my shirt, pull off my boots. Under normal circumstances, I'd like where this was heading.

Rick

She's fun and uncomplicated. I think that's what my life needs right now.

People change when you're not looking.

Beckett

Castle Season 4 Quotes

I'm not going to lose her again.

Castle

I know I'm not going to be able to have the kind of relationship I want until the wall comes down. I cant do that until this is put to rest.

Beckett