Goof: When Martha enters Castle's bedroom, Beckett is hiding in the closet with with a pillow clutched in front of her. The previous scene showed the other pillows on the bed. When Martha leaves the room, Castle ducks as a thrown pillow flies by. It's not shown who throws the pillow but it's implied that Beckett threw it. The problem is with the scene that follows where you can see that Beckett in the closet is still clutching the pillow in front of her.