Vastra Investigates: A Christmas Prequel (webcast)

Vastra Investigates: A Christmas Prequel was a webcast and prequel produced for the 2012 Christmas special. It was the second prequel to be produced, after The Great Detective, which aired in November during Children in Need.

Synopsis
Madame Vastra, accompanied by her loyal companions Jenny and Strax, is called upon to investigate a Victorian murder mystery. But where is the Doctor?

Plot
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Cast

 * Vastra - Neve McIntosh
 * Strax - Dan Starkey
 * Jenny Flint - Catrin Stewart

Crew

 * Writer - Steven Moffat

Story notes
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Filming locations
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Production errors
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Continuity
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Home video releases
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