Series 4 (2008 – 2010)

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Episode Guide

401. PARTNERS IN CRIME
Broadcast: 05/04/08
Writer: Russell T. Davies
Director: James Strong
Viewers: 9.14m

Former companion Donna tracks down The Doctor during an alien emergency in modern-day London.


402. THE FIRES OF POMPEII
Broadcast: 12/04/08
Writer: James Moran
Director: Colin Teague
Viewers: 9.04m

The Doctor and Donna arrive in Pompeii in AD 79, on the eve of the historic eruption of Mount Vesuvius.


403. PLANET OF THE OOD
Broadcast: 19/04/08
Writer: Keith Temple
Director: Graeme Harper
Viewers: 7.50m

The Doctor takes Donna to her first alien world – but the Ood-Sphere reveals some terrible truths about the human race.


404. THE SONTARAN STRATAGEM (1)
Broadcast: 26/04/08
Writer: Helen Raynor
Director: Douglas Mackinnon
Viewers: 7.06m

Martha Jones summons the Doctor back to modern-day Earth, but an old enemy lies in wait.


405. THE POISON SKY (2)
Broadcast: 03/05/08
Writer: Helen Raynor
Director: Douglas Mackinnon
Viewers: 6.53m

The Sontarans activate their masterplan and begin to choke the whole of planet Earth. UNIT is left defenceless, with a traitor in their ranks.


406. THE DOCTOR’S DAUGHTER
Broadcast: 10/05/08
Writer: Stephen Greenhorn
Director: Alice Troughton
Viewers: 7.33m

The Doctor meets the most important woman of his life on the distant planet Messaline, in the middle of an endless war.


407. THE UNICORN AND THE WASP
Broadcast: 18/05/08
Writer: Gareth Roberts
Director: Graeme Harper
Viewers: 8.41m

The Doctor and Donna join forces with Agatha Christie to encounter a body in the library, poisoned cocktails and a Vespiform seeking revenge


408. SILENCE IN THE LIBRARY (1)
Broadcast: 31/05/08
Writer: Steven Moffat
Director: Euros Lyn
Viewers: 6.27m

One hundred years ago, the universe’s greatest library was sealed off, leaving only one warning: “Count the shadows”.


409. FOREST OF THE DEAD (2)
Broadcast: 07/06/08
Writer: Steven Moffat
Director: Euros Lyn
Viewers: 7.84m

As the shadows rise and march, the Doctor forges an alliance with the mysterious River Song.


410. MIDNIGHT
Broadcast: 14/06/08
Writer: Russell T. Davies
Director: Alice Troughton
Viewers: 8.05m

The Doctor is trapped, alone, powerless and terrified, on the planet Midnight. Soon, the knocking on the wall begins.


411. TURN LEFT
Broadcast: 21/06/08
Writer: Russell T. Davies
Director: Graeme Harper
Viewers:
8.09m

Donna’s entire world collapses, but there’s no sign of the Doctor. Instead, she finds help from a mysterious blonde woman.


412. THE STOLEN EARTH (1)
Broadcast: 28/0608
Writer: Russell T. Davies
Director: Graeme Harper
Viewers: 8.78m

Earth’s greatest heroes assemble in a time of dire need. But can the Doctor’s secret army defeat the might of the new Dalek Empire?


413. JOURNEY’S END (2)
Broadcast: 05/07/08
Writer: Russell T. Davies
Director: Graeme Harper
Viewers: 10.57m

The entire universe is in danger as the Daleks activate their masterplan. The Doctor is helpless, and even the Tardis faces destruction.


SPECIAL. THE NEXT DOCTOR
Broadcast: 25/12/08
Writer: Russell T. Davies
Director: Andy Goddard
Viewers: 13.1m

It’s Christmas Eve in 1851 and Cybermen stalk the snow of Victorian London. Are two Doctors enough to stop the rise of the CyberKing?

Specials

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About

Episode guide

S01. PLANET OF THE DEAD
Broadcast: 11/04/09
Writer: Russell T Davies & Gareth Roberts
Director: James Strong
Viewers: 9.54m

When a London bus takes a detour to an alien world, the Doctor must join forces with the extraordinary Lady Christina. But the mysterious planet holds terrifying secrets, hidden in the sand. And time is running out, as the deadly Swarm gets closer.


S02. THE WATERS OF MARS
Broadcast: 15/11/09
Writer: Russell T Davies & Phil Ford
Director: Graeme Harper
Viewers: 10.32m

The Doctor joins forces with his oldest companion on record when a military base comes under attack from sentient, dangerous waters . It may be another stand against immeasurable odds, but waiting in the wings for the Time Lord is a sign all songs must end…


S03. THE END OF TIME PART 1
Broadcast: 25/12/09
Writer: Russell T Davies
Director: Euros Lyn
Viewers: 11.57m

It’s the Tenth Doctor’s final journey – but his psychotic nemesis the Master has been reborn, on Christmas Eve. With both determined to cheat death, the battle ranges from the wastelands of London to the mysterious Immortality Gate, while the alien Ood warn of an even greater danger approaching, as a terrible shadow falls across the entire Universe.


S04. THE END OF TIME PART 2
Broadcast: 01/01/10
Writer: Russell T Davies
Director: Euros Lyn
Viewers: 12.27m

The Doctor faces the end of his life as the Master’s plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fight alone. But sacrifices must be made, and the deadly prophecy warns: “He will knock four times”.