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See broadcasts for BBC OneThe Invasion of Time: Part Four

Last updated 09 January 2017
Broadcast: Saturday 25th February 1978
6:25pm-6:50pm GMT « » Premiere « »
(actually broadcast at 18:25:11)
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: BBC

Ratings Information:

Consolidated figures: 10.900m viewers (+7 days), 28th place