Doctor Doctor Who Guide

Last updated 09 January 2020


Episode One

Episode One

Series Episode Number: 318

World 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.