S04E05: The Poison Sky (2)
The Sontarans continue their evil plot and begin to "choke" the Earth. The Doctor and Donna, now teamed with Martha have to stop them! Can they save Earth before it's too late?
Previous Episode 
Season 1
Rose
S1E1 / 26 Mar 2005
The End of the World
S1E2 / 02 Apr 2005
The Unquiet Dead
S1E3 / 09 Apr 2005
Aliens of London (1)
S1E4 / 16 Apr 2005
World War Three (2)
S1E5 / 23 Apr 2005
Dalek
S1E6 / 30 Apr 2005
The Long Game
S1E7 / 07 May 2005
Father's Day
S1E8 / 14 May 2005
The Empty Child (1)
S1E9 / 21 May 2005
The Doctor Dances (2)
S1E10 / 28 May 2005
Boom Town
S1E11 / 04 Jun 2005
Bad Wolf (1)
S1E12 / 11 Jun 2005
The Parting of the Ways (2)
S1E13 / 18 Jun 2005
Season 2
New Earth
S2E1 / 15 Apr 2006
Tooth and Claw
S2E2 / 22 Apr 2006
School Reunion
S2E3 / 29 Apr 2006
The Girl in the Fireplace
S2E4 / 06 May 2006
Rise of the Cybermen (1)
S2E5 / 13 May 2006
The Age of Steel (2)
S2E6 / 20 May 2006
The Idiot's Lantern
S2E7 / 27 May 2006
The Impossible Planet (1)
S2E8 / 03 Jun 2006
The Satan Pit (2)
S2E9 / 10 Jun 2006
Love & Monsters
S2E10 / 17 Jun 2006
Fear Her
S2E11 / 24 Jun 2006
Army of Ghosts (1)
S2E12 / 01 Jul 2006
Doomsday (2)
S2E13 / 08 Jul 2006
Season 3
Smith and Jones
S3E1 / 01 Apr 2007
The Shakespeare Code
S3E2 / 07 Apr 2007
Gridlock
S3E3 / 14 Apr 2007
Daleks in Manhattan (1)
S3E4 / 21 Apr 2007
Evolution of the Daleks (2)
S3E5 / 28 Apr 2007
The Lazarus Experiment
S3E6 / 05 May 2007
42
S3E7 / 19 May 2007
Human Nature (1)
S3E8 / 26 May 2007
The Family of Blood (2)
S3E9 / 02 Jun 2007
Blink
S3E10 / 09 Jun 2007
Utopia (1)
S3E11 / 16 Jun 2007
The Sound of Drums (2)
S3E12 / 23 Jun 2007
Last of the Time Lords (3)
S3E13 / 30 Jun 2007
Season 4
Partners in Crime
S4E1 / 05 Apr 2008
The Fires of Pompeii
S4E2 / 12 Apr 2008
Planet of the Ood
S4E3 / 19 Apr 2008
The Sontaran Stratagem (1)
S4E4 / 26 Apr 2008
The Poison Sky (2)
S4E5 / 03 May 2008
The Doctor's Daughter
S4E6 / 10 May 2008
The Unicorn and the Wasp
S4E7 / 17 May 2008
Silence in the Library (1)
S4E8 / 31 May 2008
Forest of the Dead (2)
S4E9 / 07 Jun 2008
Midnight
S4E10 / 14 Jun 2008
Turn Left
S4E11 / 21 Jun 2008
The Stolen Earth (1)
S4E12 / 28 Jun 2008
Journey's End (2)
S4E13 / 05 Jul 2008
Season 5
The Eleventh Hour
S5E1 / 03 Apr 2010
The Beast Below
S5E2 / 10 Apr 2010
Victory of the Daleks
S5E3 / 17 Apr 2010
The Time of Angels (1)
S5E4 / 24 Apr 2010
Flesh and Stone (2)
S5E5 / 01 May 2010
The Vampires of Venice
S5E6 / 08 May 2010
Amy's Choice
S5E7 / 15 May 2010
The Hungry Earth (1)
S5E8 / 22 May 2010
Cold Blood (2)
S5E9 / 29 May 2010
Vincent and the Doctor
S5E10 / 05 Jun 2010
The Lodger
S5E11 / 12 Jun 2010
The Pandorica Opens (1)
S5E12 / 19 Jun 2010
The Big Bang (2)
S5E13 / 26 Jun 2010
Season 6
The Impossible Astronaut (1)
S6E1 / 23 Apr 2011
Day of the Moon (2)
S6E2 / 30 Apr 2011
The Curse of the Black Spot
S6E3 / 07 May 2011
The Doctor's Wife
S6E4 / 14 May 2011
The Rebel Flesh (1)
S6E5 / 21 May 2011
The Almost People (2)
S6E6 / 28 May 2011
A Good Man Goes to War (1)
S6E7 / 04 Jun 2011
Let's Kill Hitler (2)
S6E8 / 27 Aug 2011
Night Terrors
S6E9 / 03 Sep 2011
The Girl Who Waited
S6E10 / 10 Sep 2011
The God Complex
S6E11 / 17 Sep 2011
Closing Time
S6E12 / 24 Sep 2011
The Wedding of River Song
S6E13 / 01 Oct 2011
Season 7
Asylum of the Daleks
S7E1 / 01 Sep 2012
Dinosaurs on a Spaceship
S7E2 / 08 Sep 2012
A Town Called Mercy
S7E3 / 15 Sep 2012
The Power of Three
S7E4 / 22 Sep 2012
The Angels Take Manhattan
S7E5 / 29 Sep 2012
The Bells of Saint John
S7E6 / 30 Mar 2013
The Rings of Akhaten
S7E7 / 06 Apr 2013
Cold War
S7E8 / 13 Apr 2013
Hide
S7E9 / 20 Apr 2013
Journey to the Centre of the TARDIS
S7E10 / 27 Apr 2013
The Crimson Horror
S7E11 / 04 May 2013
Nightmare in Silver
S7E12 / 11 May 2013
The Name of the Doctor
S7E13 / 18 May 2013
Season 8
Deep Breath
S8E1 / 23 Aug 2014
Into the Dalek
S8E2 / 30 Aug 2014
Robot of Sherwood
S8E3 / 06 Sep 2014
Listen
S8E4 / 13 Sep 2014
Time Heist
S8E5 / 20 Sep 2014
The Caretaker
S8E6 / 27 Sep 2014
Kill the Moon
S8E7 / 04 Oct 2014
Mummy on the Orient Express
S8E8 / 11 Oct 2014
Flatline
S8E9 / 18 Oct 2014
In the Forest of the Night
S8E10 / 25 Oct 2014
Dark Water
S8E11 / 01 Nov 2014
Death in Heaven
S8E12 / 08 Nov 2014
Season 9
The Magician's Apprentice (1)
S9E1 / 19 Sep 2015
The Witch's Familiar (2)
S9E2 / 26 Sep 2015
Under the Lake (1)
S9E3 / 03 Oct 2015
Before the Flood (2)
S9E4 / 10 Oct 2015
The Girl Who Died (1)
S9E5 / 17 Oct 2015
The Woman Who Lived (2)
S9E6 / 24 Oct 2015
The Zygon Invasion (1)
S9E7 / 31 Oct 2015
The Zygon Inversion (2)
S9E8 / 07 Nov 2015
Sleep No More
S9E9 / 14 Nov 2015
Face the Raven
S9E10 / 21 Nov 2015
Heaven Sent (1)
S9E11 / 28 Nov 2015
Hell Bent (2)
S9E12 / 05 Dec 2015
Season 10
The Pilot
S10E1 / 15 Apr 2017
Smile
S10E2 / 22 Apr 2017
Thin Ice
S10E3 / 29 Apr 2017
Knock Knock
S10E4 / 06 May 2017
Oxygen
S10E5 / 13 May 2017
Extremis (1)
S10E6 / 20 May 2017
The Pyramid at the End of the World (2)
S10E7 / 27 May 2017
The Lie of the Land (3)
S10E8 / 03 Jun 2017
Empress of Mars
S10E9 / 10 Jun 2017
The Eaters of Light
S10E10 / 17 Jun 2017
World Enough and Time (1)
S10E11 / 24 Jun 2017
The Doctor Falls (2)
S10E12 / 01 Jul 2017
Season 11
The Woman Who Fell to Earth
S11E1 / 07 Oct 2018
The Ghost Monument
S11E2 / 14 Oct 2018
Rosa
S11E3 / 21 Oct 2018
Arachnids in the UK
S11E4 / 28 Oct 2018
The Tsuranga Conundrum
S11E5 / 04 Nov 2018
Demons of the Punjab
S11E6 / 11 Nov 2018
Kerblam!
S11E7 / 18 Nov 2018
The Witchfinders
S11E8 / 25 Nov 2018
It Takes You Away
S11E9 / 02 Dec 2018
The Battle of Ranskoor Av Kolos
S11E10 / 09 Dec 2018
Season 12
Spyfall (1)
S12E1 / 01 Jan 2020
Spyfall (2)
S12E2 / 05 Jan 2020
Orphan 55
S12E3 / 12 Jan 2020
Nikola Tesla's Night of Terror
S12E4 / 19 Jan 2020
Fugitive of the Judoon
S12E5 / 26 Jan 2020
Praxeus
S12E6 / 02 Feb 2020
Can You Hear Me?
S12E7 / 09 Feb 2020
The Haunting of Villa Diodati
S12E8 / 16 Feb 2020
Ascension of the Cybermen (1)
S12E9 / 23 Feb 2020
The Timeless Children (2)
S12E10 / 01 Mar 2020
Season 13
The Halloween Apocalypse
S13E1 / 31 Oct 2021
War of the Sontarans
S13E2 / 07 Nov 2021
Once, Upon Time
S13E3 / 14 Nov 2021
Village of the Angels
S13E4 / 21 Nov 2021
Survivors of the Flux
S13E5 / 28 Nov 2021
The Vanquishers
S13E6 / 05 Dec 2021
Jodie Whittaker
The Doctor
Mandip Gill
Yasmin 'Yaz' Khan
