Buried Alive

CLARA: Where are we?

The Chin : Catacombs.

CLARA: I hate catacombs. So, 

How come I met Your Dead Wife?

The Chin : Oh well, You know How It Is 

when You lose someone Close to You :

I sort of made A Back-up.

(River takes back Her Screwdriver 

and leaves him to process -- )

Perfect-10 : Know what's interesting about 

My Screwdriver? VERY hard to interfere with.

Practically NOTHING's strong enough. Well, 

some hairdryers, but I'm working on that. 

So there is a VERY strong Signal 

coming from somewhere, and it WASN'T 

there BEFORE -- So what's new? 

What's changed? COME ON! 

What's new? What's different?

DAVE 2.0 : 

I dunno. Nothing. 

It's getting Dark?

Perfect-10 : ...it's A Screwdriver; 

It WORKS in The Dark. (Looks up)

Moonrise -- Tell Me 

about The Moon : What's There?

LUX: It's Not-Real. 

It was built as part 

of The Library -- 

It's just A Doctor-Moon.

Perfect-10 : 

What's A Doctor-Moon?

LUX : A Virus-checker --

It Supports and Maintains 

The Main Computer at 

The Core of The Planet.

Perfect-10 : Well, 

still active -- It's signalling. 

Look -- Someone somewhere 

in This Library is ALIVE and 

communicating with The Moon. Or, 

possibly Alive and drying their hair. 

No, The Signal is definitely 

coming from The Moon. 

I'm blocking it, but it's 

trying to break through --

(An image of Donna appears.)

RIVER: Doctor!

Perfect-10 : Donna!

(Donna disappears again.)

RIVER: That was her. 

That was your friend! 

Can you get her back? 

What WAS that?

Perfect-10 : Hold on, hold on, hold on. 

I'm trying to find The Wavelength. 

Argh, I'm being blocked.

ANITA: Professor?

RIVER: Just a moment.

ANITA: 

It's important. 

I have two shadows.