A Staying Alive ring tone goes off.
Jim Moriarty (Andrew Scott): Do you mind if I get that?
Sherlock Holmes (Benedict Cumberbatch): Oh no, please. You've got the rest of your life.

Moriarty: Sorry. Wrong day to die.
Holmes: Oh. Did you get a better offer?
Moriarty: You'll be hearing from me, Sherlock.

John Watson (Martin Freeman): What happened there?
Holmes: Someone changed his mind. The question is, who?

DI Lestrade (Rupert Graves): There was a plane crash in Dusseldorf yesterday. Everyone dead.
Holmes: Suspected terrorist bomb. {to John} I do watch the news.
Watson: You said, "boring" and turned over.
Lestrade: According to the flight details, this man was checked in on board. Inside his coat he's got a stub from his boarding pass, napkins from the flight, even one of these special biscuits. Here's his passport, stamped from Berlin airport. So this man should have died in a plane crash in Germany yesterday, but instead he's in a car boot in Suffolk.

Lestrade: Any ideas?
Holmes: Eight so far... Okay, four ideas... Maybe two ideas.

Holmes: Look, this is a six. There's no point in my leaving the flat for anything less than a seven. We agreed. Alright go back, show me the grass.
Watson: When did we agree that?
Holmes: We agreed it yesterday. Stop! Closer.
Watson: I wasn't even at home yesterday, I was in Dublin.
Holmes: It's hardly my fault you weren't listening. {the doorbell rings} Shut up!
Watson: Do you just carry on talking when I'm away?
Holmes: I don't know. How often are you away?

Watson checks out the surroundings
Watson: Are you wearing any pants?
Holmes: No.
Watson: Okay. {they start laughing} Buckingham Palace. Right. I'm am seriously fighting an impulse to steal an ashtray.

Watson: What are we doing here? Sherlock, no, seriously. What?
Holmes: I don't know.
Watson: Here to see the Queen? {Mycroft appears}
Holmes: Apparently, yes.

Mycroft Holmes (Mark Gatiss): Just once can you two behave like grown-ups?
Watson: We solve crimes, I blog about it and he forgets his pants. I wouldn't hold out too much hope.

Harry: You look taller in your photographs.
Holmes: Take the precaution of a good coat and a short friend.

Holmes: Mycroft, I don't do anonymous clients. I'm used to mystery at one end of my cases. Both ends is too much work. Good morning.
Mycroft: This is a matter of national importance. Grow up!
Holmes: Get off my sheet!
Mycroft: Or what?
Holmes: Or I'll just walk away.
Mycroft: I'll let you.
Watson: Boys, please. Not here.

Holmes: Phone Lestrade. Tell him there's an escaped rabbit.
Watson: Are you serious?
Holmes: It's this or Cluedo.
Watson: Ah, no. We are never playing that again.
Holmes: Why?
Watson: Because it's not actually possible for the victim to have done it, Sherlock.

Watson: Single ring.
Holmes: Maximum pressure just under the half-second.
Both: Client.

Reporter: Dartmoor. It's always been a place of myth and legend. But is there something else lurking out here? Something very real. Because Dartmoor's also home to one of the government's most secret of operations. The chemical and biological research center. Which is said to be even more sensitive than Porton Down. Since the end of the Second World War there have been persistent stories about the Baskerville Experiments. Genetic mutations. Animals grown for the battlefield. There are many who believe that within this compound—in the heart of this ancient wilderness—there are horrors beyond imagining. But the real question is, Are all of them still inside?

Holmes: What did you see?
Henry Knight (Russell Tovey): Oh, I was just about to say.
Holmes: Yes, in a TV interview. I prefer to do my own editing.
Henry: Yes. Sorry, yes of course. Excuse me. {he pulls out a handkerchief}
Watson: In your own time.
Holmes: But quite quickly.

Watson: Henry, whatever did happen to your father, it was twenty years ago. Why come to us now?
Henry: I'm not you can help me, Mr. Holmes, because you find it all so funny.
Holmes: Because of what happened last night.
Watson: Why? What happened last night?

Watson: Not now, Sherlock.
Holmes: Oh please. I've been cooped up here for ages.
Watson: You're just showing off.
Holmes: Of course. I am a show-off, that's what we do.

Holmes: Yes, if I wanted poetry I'd read John's emails to his girlfriends. Much funnier.

Watson: Did we just break in to a military base to investigate a rabbit?

Watson: Can we not do this this time?
Holmes: Do what?
Watson: You being all mysterious with your cheekbones and turning your coat collar up so you look cool.
Holmes: I don't do that.
Watson: Yeah, you do.

Watson: So the email from Kirstie. The missing luminous rabbit.
Holmes: Kirstie Stapleton. Whose mother specializes in genetic manipulation.
Watson: She made her daughter's rabbit glow in the dark.
Holmes: Probably a fluorescent gene. removed and spliced into the specimen. Simple enough these days.

Watson: So...
Holmes: So we know that Dr. Stapleton performs secret genetic experiments on animals. the question is, has she been working on something deadlier than a rabbit.
Watson: To be fair, that is quite a wide field.

Henry: What now then?
Watson: Sherlock's got a plan.
Holmes: Yes.
Henry: Right.
Holmes: We take you back out onto the moor.
Henry: Okay.
Holmes: And see if anything attacks you.
Watson: What?
Holmes: That should bring things to a head.