Last updated on Monday 20 January 2014 at 21:38 UK

Watch Doctor Who - Series 4 Online Free

Episodes: 13 | Released: 2008 | Certificate: 12 | Genre: Sci-Fi/Fantasy | Director: James Strong
Actors: David Tennant , Freema Agyeman , Catherine Tate

Doctor Who - Series 4 - Episode 2 - The Fires of Pompeii

Psychic powers and stone beasts run riot in old Pompeii, but can Donna dare the Doctor to change established history?

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Doctor Who - Series 4 - Episode 4 - The Sontaran Stratagem

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

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Doctor Who - Series 4 - Episode 5 - The Poison Sky

As the Sontarans choke the Earth, the Doctor battles to keep both Martha and Donna alive.

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Doctor Who - Series 4 - Episode 6 - The Doctor's Daughter

Caught in the middle of a war between the Humans and the Hath in the planet Messaline, the Doctor finds himself once again a father.

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Doctor Who - Series 4 - Episode 7 - The Unicorn and the Wasp

With a 1920s dinner party turning into a murder mystery, the Doctor and Donna meet Agatha Christie on the eve of her publicized disappearance.

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Doctor Who - Series 4 - Episode 8 - Silence in the Library

The Doctor and Donna enter a world of terror inside an abandoned library.

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Doctor Who - Series 4 - Episode 9 - Forest of the Dead

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

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Doctor Who - Series 4 - Episode 10 - Midnight

The Doctor is trapped on the planet Midnight, as the knocking on the wall begins...

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Doctor Who - Series 4 - Episode 12 - The Stolen Earth

Earth's greatest heroes assemble to fight the New Dalek Empire. But a fearsome old enemy waits in the shadows....

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Doctor Who - Series 4 - Episode 13 - Journey's End

As Davros and the Daleks threaten the entire universe, the Doctor's companions join forces. But the prophecy declares that one of them will die....

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