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Doctor Who: The Poison Sky (2)

The Sontaran fleet watch from space as the Earth is gripped in a deadly blanket of poisonous fumes. Whilst UNIT collides with Sontaran ground forces, the Doctor and a treacherous clone of Martha attempt to locate a missing TARDIS, and Donna finds herself trapped aboard the Sontaran ship itself...


9/10 (20 Votes cast)

Episode Info


Episode number: 4x5
Airdate: Saturday May 03rd, 2008


Alternate Airdates:

US (BBC America) May 30, 2008
NL (Sci-Fi) Jul 08, 2009

Starring Roles
Freema AgyemanFreema Agyeman
As Martha Jones
Recurring
Billie PiperBillie Piper
As Rose Tyler
Recurring

Guest Stars
Bernard CribbinsBernard Cribbins
As Wilfred Mott
Recurring
Jacqueline King (1)Jacqueline King (1)
As Sylvia Noble
Recurring
Ryan SampsonRyan Sampson
As Luke Rattigan
Recurring
Rupert Holliday-EvansRupert Holliday-Evans
As Colonel Mace
Recurring
Christopher RyanChristopher Ryan
As General Staal
Recurring
Dan StarkeyDan Starkey
As Commander Skorr
Recurring
Clive StandenClive Standen
As Private Harris
Recurring
Wesley TheobaldWesley Theobald
As Private Gray
Recurring
Christian Cooke (3)Christian Cooke (3)
As Ross Jenkins
Recurring
LaChele CarlLaChele Carl
As US Newsreader
Recurring
Meryl FernandesMeryl Fernandes
As Female Student
Leeshon AlexanderLeeshon Alexander
As Male Student
Bridget HodsonBridget Hodson
As Captain Price
Kirsty WarkKirsty Wark
As Herself
Main Cast
David TennantDavid Tennant
As The Tenth Doctor
Catherine TateCatherine Tate
As Donna Noble

Recap

The ATMOS converters from millions of cars spew gas into Earth's atmosphere. Sylvia saves Wilfred by smashing open the car window and the two of them get into the house with the Doctor and Donna. Colonel Mace and his men are trying to deal with their own ATMOS-equipped vehicles at the factory. As they do so, the Martha clone created by the Sontarans is accessing the NATO defense codes through the UNIT computer and downloading them onto a PDA...

Read the full recap
Episode Notes
This episode marks another appearance of Rose (Billie Piper). She appear on the viewscreen in the TARDIS when the Doctor hails the Sontarans, before Donna reaches it.




Episode Quotes
General Staal: The planet is going nuclear! I admire them. The bravery of idiots is bravery nonetheless.

General Staal: There was no planetfall. Castor 36, indeed. We only needed you for the installation of the ATMOS system.
Luke Rattigan: No, but I'm on your side. I did everything you wanted! And it's not ATMOS system, that's a tautology, it's just ATMOS!
General Staal: Execute him!

Donna: What's happened, where are you?
The Doctor: Still on Earth, but don't worry. I've got my secret weapon.
Donna: What's that?
The Doctor: You.

Colonel Mace: Attention all troops! The Sontarans might think of us as primitive, as does every passing species with an axe to grind. They make a mockery of our weapons, our soldiers, our ideals. But no more. From this point on, it stops. From this point on, the people of Earth fight back and we show them. We show the warriors of Sontar what the human race can do.



Cultural References
When the Doctor switches the channel on General Staal, the cartoon showing is Tommy Zoom. The villainous magician is Polluto: the boy in the audience is the main character, Tommy, along with his dog Daniel.




Episode References
The Doctor: Are you my mummy?

The Doctor is mimicking the antagonist from the earlier episode "The Empty Child". In this episode, a small child who has been mutated via nanobots to have a gas mask surgically planted on to his face searches for his mother, repeatedly asking "Are you my mummy?"

Colonel Mace mentions that "Sir Alastair" is trapped in Peru. Alastair is Brigadier Alastair Lethbridge-Stewart, who commanded the English branch during the Doctor's exile to Earth in his third incarnation. His last appearance was in the original series episode Battlefield.

The Doctor mentions the Sontarans' mortal enemies, the Rutans. The Rutans are a jellyfish-like race that can discharge electricity and have limited shapeshifting ability. They appeared in the original series for the first and last time in the 4th Doctor episode "The Horror of Fang Rock."

The Doctor's severed hand can be briefly seen in a jar in the TARDIS as the doors close and trap the Doctor, Donna, and Martha.



Other Episode Crew

Executive ProducerRussell T. Davies  |  Phil Collinson  |  Julie Gardner (1)
ProducerSusie Liggat
Production DesignerMichael Edward Thomas (3)
EditorMike Hopkins
CastingAndy Pryor
First Assistant DirectorFrancesco Reidy
Second Assistant DirectorJennie Fava
MusicMurray Gold
Costume DesignerLouise Page
Make-upSteve Smith (8)  |  Pam Mullins  |  John Munro (2)
GripJohn Robinson (3)
Camera OperatorJames Moss
Set DecoratorJoelle Rumbelow
Location ManagerJonathan Allott
Property MasterPaul Aitken (2)
Production CoordinatorJess Van Niekerk
Supervising Sound EditorPaul McFadden
GafferMark Hutchings
On-Line EditorMatthew Clarke (2)  |  Mark Bright (2)
Stunt CoordinatorTom Lucy
Production SecretaryKevin Myers
Assistant Production CoordinatorDebi Griffiths
Post Production CoordinatorMarie Brown (2)
Production ManagementDebbi Slater
Special EffectsWill Cohen (3)
Script EditorNikki Smith (2)
Dubbing MixerTim Ricketts
Sound RecordistBrian Milliken
ChoreographerAlisa Berk
Third Assistant DirectorSarah Davies
Costume SupervisorLindsay Bonaccorsi
Boom OperatorJeff Welch
Art Department CoordinatorAmy Pope
Visual Effects CoordinatorRebecca Johnson (2)  |  Jenna Powell
Main Title ThemeRon Grainer
Visual Effects SupervisorDavid Houghton
Production AccountantOliver Ager
Best BoyPeter Chester
Casting AssociateAndy Brierley  |  Amy Rogers (2)
Visual Effects ProducerMarie Jones (2)
Special Effects SupervisorDanny Hargreaves
Production ExecutiveJulie Scott (2)
ColoristMick Vincent
Assistant Costume DesignerRose Goodhart
Special Effects CoordinatorBen Ashmore
ContinuityNon Eleri Hughes
Focus PullerSteve Rees
Prop BuyerSue Jackson Potter
Supervising Art DirectorStephen Nicholas  |  Arwel Wyn Jones
Standby Art DirectorAlexandra Merchant
Construction ManagerMatthew Hywel-Davies
Standby PropsPhill Shellard  |  Nick Murray (2)
Production RunnerNicola Brown (2)
Floor RunnerAndy Newbery
Art Department Production ManagerJonathan Allison
Associate DesignerJames North
Design AssistantPeter McKinstry
Sound Special Effects EditorPaul Jefferies
Make-up DesignerBarbara Southcott
VFX EditorCeres Doyle
Created ByRobert Holmes
 
Episode Trailer
   
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