"Pack Up Your Troubles In Your Old Kit Bag" by Minnutes
scene: (Opening Scenes) The car containing the plastic surgeon's body is towed.
"More to Luv" by Minnutes
scene: Castle is sleeping in a chair when Alexis comes home with her prom date.
"I Know You Are But What Am I?" by Mogwai
scene: Castle's mother tells him that he has to tell Beckett what information he found while looking into her mother's murder.
"Comes and Goes (In Waves)" by Greg Laswell
scene: Kate talks to a recovering Will in the hospital and Castle shows up to talk to Beckett.