- Dr. Donald Mallard: [Holding out a toy train to Nicholas] I think you dropped this. I thought you might be looking for it. Hello Nicholas.
- Nicholas Mallard: [Long pause as he recognizes Ducky.] Beep. Beep. You got my letter. You found me, Donnie. You found me.
- Dr. Donald Mallard: I did that. I told you I would.
- Young Dr. Donald Mallard: Now listen, your mother...
- Young Nicholas Mallard: I know... Thought she'd *never* leave!
- Young Dr. Donald Mallard: You cheeky little monkey.
- Young Dr. Donald Mallard: I will scour the entire planet, look under every rock, turn every town and city upside down, ransack every third world flea pit until I find my brother again!
- Jimmy Palmer: Wow. So all those places you've been, all those years you've travelled, you were looking for your brother.
- Anthony DiNozzo: You're perfectly aware that Gibbs is capable of eating you, right?
- Jimmy Palmer: It's a recurring nightmare - yes.
- Ellie Bishop: My big brother used to tell me when life throws you a curve ball you can either duck, get hit, or swing. I've decided to swing.
- Ellie Bishop: Why did you tell me about the affair?
- NSA Attorney Jake Malloy: What?
- Ellie Bishop: I would never have found out. I think you wanted me to know. It's over, Jake. It's been over for a long time, and we're just saying it out loud now.
- Anthony DiNozzo: I'll bet you he comes in here early and he waits, bides his time, like a howler monkey in heat, waiting for exactly the right moment to...
- Leroy Jethro Gibbs: Step in and finish your sentence.
- Anthony DiNozzo: Exactly.