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Doctor Who: The Power of Three

Twenty-first century Earth suffers a "slow invasion" of millions of seemingly harmless black cubes. While the Doctor waits for something to happen, he moves in with the Ponds.

Episode Info  

Episode number: 7x4
Airdate: Saturday September 22nd, 2012

Alternate Airdates:

US (BBC America) Sep 22, 2012
AU (ABC) Sep 29, 2012

Guest Stars
Mark Williams (3)Mark Williams (3)
As Brian Williams
Jemma RedgraveJemma Redgrave
As Kate Stewart
Peter CartwrightPeter Cartwright
As Arnold Underwood
David BeckDavid Beck
As Orderly #1
Daniel BeckDaniel Beck
As Orderly #2
David Hartley (1)David Hartley (1)
As UNIT Researcher
Main Cast
Matt Smith (3)Matt Smith (3)
As The Eleventh Doctor
Karen GillanKaren Gillan
As Amy Pond
Arthur DarvillArthur Darvill
As Rory Williams


In July, the Ponds go about their normal everyday lives. When Rory points out that they have two lives, one with the Doctor and one without, Amy wonders what they should do and Rory says they have to choose. Before they can discuss it further, the TARDIS materializes in their back yard and they figure they can choose later...

Read the full recap
Episode Notes
This week's episode uses a black cube-themed logo.

This episode gives a nice nod to Brigadier Lethbridge-Stewart. His daughter leads UNIT now.

ArtistSong TitlePlayed When
David Guetta Feat Sia FurlerTitaniumAmy and Laura talk in the bar

Episode Quotes
The Doctor: Invasion of the very small cubes. That's new.

Brian Williams: What if they're bombs? Billions of tiny bombs. Or transport capsules, maybe, with a mini-robot inside. Or deadly hard drives. Or alien eggs. Or messages needing decoding. Or... they're all parts of a bigger whole. Jigsaw puzzles that need fitting together.
The Doctor: Very thorough, Brian. Very, very thorough. Well done. Stay here. Watch these. Yell if anything happens.

Rory: What do you think we do when we're not with you?
The Doctor: I imagine mostly kissing.

Rory: There are soldiers all over my house and I'm in my pants.
Amy: My whole life I've dreamed of saying that. And I miss it by being someone else.

Rory: You said we had to be patient.
The Doctor: Yes, you. You, not me. I hate being patient. Patience is for wimps.

Amy: Secret base beneath the Tower. Hope we're not here because we know too much.
Kate Stewart: Yes, I've got officers trained in beheading. Also ravens of death.
Amy: I like her.

The Doctor: I need to think, I need some air. Who has an underground base? Terrible ventilation.

The Doctor: I'm not running away. But this is one corner, of one country, on one continent, on one planet, that's a corner of the galaxy, that's a corner of the universe that' is forever shrinking and growing and destroying and never remaining the same for a single millisecond. And there is so much--so much to see, Amy. Because it goes so fast. I'm not running away from things, I'm running to them before they flare and fade forever.

Amy: And why do you keep coming back for us?
The Doctor: Because you were the first. The first face this face saw. And you are seared onto my hearts, Amelia Pond. Always will be. I'm running to you and Rory before you... fade from me.
Amy: Don't be nice to me. Don't want you to be nice to me.
The Doctor: Yeah, you do, Pond. And you always get what you want.

Cultural References
The Doctor: Through the looking glass again.

Through the Looking Glass (1871) is Lewis Carroll's sequel to Alice in Wonderland, and has Alice traveling through a mirror to return to Wonderland.

Other Episode Crew

Executive ProducerSteven Moffat  |  Caroline Skinner
ProducerMarcus Wilson
Production DesignerMichael Pickwoad
EditorMike Hopkins
Line ProducerDiana Barton (2)
First Assistant DirectorSarah Davies
Second Assistant DirectorJames Dahaviland
MusicMurray Gold
Costume DesignerHoward Burden
Make-upVivienne Simpson  |  Alison Sing  |  Sara Angharad
GripGary Norman
Camera OperatorJoe Russell
Set DecoratorAdrian Anscombe
Location ManagerIwan Roberts
Property MasterPaul Smith (2)
Production AssistantSamantha Price  |  Rachel Vipond
Script SupervisorRory Herbert
Production CoordinatorClaire Hildred
Assistant EditorBecky Trotman
Post Production SupervisorNerys Davies
GafferMark Hutchings
On-Line EditorGeraint Pari Huws
Director of PhotographyGavin Struthers
Stunt CoordinatorCrispin Layfield
Production SecretarySandra Cosfeld
Art DirectorAmy Pickwoad
Assistant Production CoordinatorGabriella Ricci
Production ManagementPhillipa Cole
Sound RecordistDeian Llyr Humphreys
Third Assistant DirectorHeddi Joy Taylor
Costume SupervisorCarly Griffith
Art Department CoordinatorDonna Shakesheff
Main Title ThemeRon Grainer
Production AccountantJeff Dunn  |  Justine Wooff  |  Rhys Evans
Set DresserJayne Davies
Camera AssistantMeg De Koning  |  Evelina Norgren  |  Sam Smithard
Best BoySteve Slocombe
Casting AssociateAlice Purser
Assistant DirectorDanielle Richards
Production ExecutiveJulie Scott (2)
Graphic DesignerChristina Tom  |  Chris J. Lees
Unit ManagerGeraint Williams
Foley EditorJamie Talbutt
ColoristGareth Spensley
Assistant Costume DesignerFraser Purfit
ConductorBen Foster (3)
Focus PullerJulius Ogden  |  James Scott (2)
Assistant Art DirectorRichard Hardy
Casting DirectorAndy Pryor
Sound Effects EditorTom Heuzenroeder
Assistant Story EditorJohn Phillips (6)
Dialogue EditorDarran Clement  |  Paul McFadden
Production BuyerAdrian Greenwood  |  Charlie Lynam
Supervising Art DirectorPaul Spriggs
Construction ManagerTerry Horle
Standby PropsPhill Shellard  |  Helen Atherton
Make-up DesignerBarbara Southcott
VFX EditorJoel Skinner
Script ProducerDenise Paul
Costume AssistantKatarina Capellazzi  |  Gemma Evans
Dressing PropsMike Elkins  |  Paul Barnett
Sound Maintenance EngineerRoss Adams  |  Chris Goding
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