Doctor Who (2005– )
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On a spaceship headed straight for the center of the sun, The Doctor only has 42 minutes to save Martha and the rest of the ship's crew from an inevitable doom...


Graeme Harper


Chris Chibnall

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Episode complete credited cast:
David Tennant ... The Doctor
Freema Agyeman ... Martha Jones
Michelle Collins ... Kath McDonnell
Adjoa Andoh ... Francine Jones
William Ash ... Riley Vashtee
Anthony Flanagan ... Orin Scannell
Matthew Chambers Matthew Chambers ... Hal Korwin
Gary Powell Gary Powell ... Dev Ashton
Vinette Robinson ... Abi Lerner
Rebecca Oldfield Rebecca Oldfield ... Erina Lessak
Elize du Toit ... Sinister Woman


The Doctor and Martha answer a distress call, and find themselves on a cargo ship hurtling towards the sun. They have only 42 minutes until they're destroyed, and the key lies behind the universes deadliest "pub quiz" - but the situation is a lot hotter than it first seems... Written by Steve

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Parents Guide:

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Release Date:

19 May 2007 (UK) See more »

Company Credits

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Technical Specs


| (50 episodes)

Sound Mix:

Dolby Digital (Dolby 5.1)


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Did You Know?


It was suggested that the story would be set in the same era as "The Impossible Planet"/"The Satan Pit", and for a time, consideration was given to including the Ood from that story, although this did not survive to the drafting stage. See more »


To get through one of the sealed doors, the question is "Who had the most number one singles; Elvis or The Beatles?". The answer is given as Elvis. This is only true for the UK. Worldwide, it is The Beatles. While it's understandable that Martha's mother in the 21st Century would give the answer for the UK, a ship's crew in the 42nd Century would probably have used the answer for the whole globe when creating the question/solution. See more »


[first lines]
The Doctor: Well, there we go, universal roaming.
[tosses Martha her newly altered cell phone]
The Doctor: Never have to worry about a signal again.
Martha Jones: No way. This is too mad. You're telling me I can phone anyone anywhere in space and time on my mobile?
The Doctor: As long as you know the area code.
See more »


Doctor Who Theme
Written by Ron Grainer
Arranged by Murray Gold
Performed by BBC National Orchestra of Wales
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User Reviews

Best of the new series by far
20 May 2007 | by Naiomi LaneSee all my reviews

After the last few episodes I was expecting this episode to be on the same average level but this is definitely the best episode of the new series and Freema Agyemans companion I think personally is a lot better than Rose and it definitely shows in this episode and David Tennants Doctor especially in the last 10-15 of the episode was amazing. Also the supporting characters in this episode are a lot more believable and the story line overall is awesome and has a lot of emotional parts in it which were quite moving. The special effects in this one were breath taking and definitely reminded me of Satan's pit and the impossible planet which are my favourite episodes since Doctor Who came back.

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