Episode One
Series Episode Number: 293World Premiere: Sat 10 Apr 1971 - 6:11pm BST [BBC One] (United Kingdom)
First Broadcast: Mon 1 Dec 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 19 seconds
7.60 Million (UK)
Chart Position: 41 () (UK)
Recorded on Fri 05 Mar 1971 in Television Centre 4
Archive State: RSC conver
The TARDIS takes the Doctor and Jo to a barren world in the far future where human colonists are scratching a living. But at night, the colonists are menaced by a monster.
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