This Week in USA
The Invasion of Time: Part Four
Last updated 08 January 2017
5:30pm CST (23:30 GMT) < > « »
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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 notes:
One episode was pre-empted between 13th and 19th February - this has been assumed to be Tuesday 19th based on previous day pre-emptions on the channel.
Broadcast Source: BroaDWcast