The Doctor's Daughter (TV story)

The Doctor meets his daughter.

Synopsis
The Doctor, Martha and Donna arrive on the distant planet Messaline, which is in the middle of an endless war. While there the Doctor meets the most important woman of his life; his daughter, Jenny.

But as General Cobb threatens genocide, and Martha is kidnapped by the Hath, the Doctor faces an even greater battle – can he find peace with his own child?

Plot
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Cast

 * David Tennant - Tenth Doctor
 * Donna Noble - Catherine Tate
 * Martha Jones - Freema Agyeman
 * Jenny - Georgia Moffett
 * Unknown - Nigel Terry
 * Klien - Joseph Dempsie

Production crew
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Story notes
Russell T. Davies has stated that this episode "does exactly what it says on the tin". Stephen Greenhorn's episode has the Doctor facing a dilemma unlike anything before, and it is wildly different to "The Lazarus Experiment". He also said that his episode was designed by Russell to "change the Doctor" in a big episode that will have "a real impact on him" and that, in terms of the series continuity, it will be a "lasting impact".

Ratings
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Myths
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Rumours

 * The monster featured in this episode will be called the Hath. They apparently communicate via bubbles. Catherine Tate mentioned a future monster called the Hath during the podcast for Partners in Crime. ''This was proved to be true.
 * Some people believe that the episode title is a red herring. Because of this some have speculated that the Doctor's daughter is actually:
 * Created by the Hath's bubbles.
 * Created by aliens from stolen DNA from the Doctor and the Master.
 * Created by the Master using the Doctor's hand.
 * An illusion.
 * A clone.
 * Some have speculated that Jenny is Susan's mother.
 * The Judoon are rumoured to appear in flashbacks in this episode.
 * It is rumored to be a sad episode; some people believe that Jenny will sacrifice herself to save the Doctor.
 * The Doctor's name is almost revealed, which could be a series story-arc.

Filming Locations
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Discontinuity, Plot Holes, Errors
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Continuity

 * In the original first series the First Doctor was travelling with his granddaughter Susan Foreman, who is to date the only relative of the Doctor to be seen on screen.
 * In the Series 2 episode Fear Her, The Doctor says to Rose "I was a dad once."

DVD and Other releases
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