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The Invasion of Time: Part Four
Last updated 02 January 2017
6:30pm AEST (08:30 GMT) < > « »
![Premiere](/images/premier.gif)
ABC - National except Adelaide
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Featuring: Tom Baker, Louise Jameson, John Leeson, Christopher Tranchell
As the Vardans finally fully materialise on Gallifrey, the Doctor prepares to spring his trap. But does a more deadly alien force lie behind the Vardans?
Synopsis Source: Doctor Who Guide
Broadcast Source: TV Times (BNE), BroaDWcast