Part One
Series Episode Number: 596World Premiere: Tue 1 Mar 1983 - 6:55pm GMT [BBC One] (United Kingdom)
First Broadcast: Wed 5 Dec 1984 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 12 seconds
6.60 Million (UK)
Appreciation Index: 67 (UK)Chart Position: 89 () (UK)
The TARDIS's power is drained away just as the Doctor receives a dire warning from the White Guardian. He soon finds himself drawn into a strange race through the stars...
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