A testament to the truly indestructible nature of polyester.

Beckett: If Hector's as dangerous as advertised this could get a little hairy.
Castle: Hairy's my middle name. That sounded a lot better in my head.

Castle: Speaking of your sister.
Gates: Let's not.

A southern chill? More like a polar vortex.

Maybe the invisible hand of the market killed Peter that would explain the lack of defensive wounds.

Beckett: Castle I love you but I will not marry you on a ride or up in space or on slide.
Castle: I bet Dr. Seuss got married somewhere fun.

Lipstick marks on my shirt? Where? Beckett will kill me.

If this is a tea company, I'd like a cup.

Castle: The killer can't be a ballet dancer because it'd just be such a huge let down.
Beckett: Of course, we can't let facts get in the way of a good story.

Castle: Our killer is a ninja.
Beckett: Or he is just an athletic person with a hooded track suit.

This place is seriously creepy for a cookie factory.

Castle: See what happens when I leave you alone.
Beckett: Babe, I wasn't alone. When they were interrogating me, the only thing that kept me going was thinking about you. About our future, the wedding. You were with me the whole time.

Castle Quotes

Beckett: (Clears throat) Ahem. What's the deal with men and boobs, anyway?
Castle: Biological. We can't help it.
Beckett: But doesn't it bother you that they're so obviously not real?
Castle: (Pauses) Santa's not real. We still love opening his presents.

Sometimes the hardest things in life are the things most worth doing.

Castle