Episode One
Series Episode Number: 318World Premiere: Sat 8 Apr 1972 - 5:51pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 29 Sep 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 25 seconds
9.10 Million (UK)
Chart Position: 29 () (UK)
Recorded on Mon 28 Feb 1972 in TC4
Archive State: RSC conver
The Time Lords send the Doctor to a Skybase above the planet Solos in the 30th Century. The Marshal of the Skybase is determined to prevent Solos achieving independence from Earth.
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