Episode One
Series Episode Number: 350World Premiere: Sat 19 May 1973 - 5:51pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 18 Sep 1983 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 25 minutes 55 seconds
9.20 Million (UK)
Chart Position: 18 () (UK)
Recorded on Mon 02 Apr 1973 in TC3
Archive State: PAL 2 VT
In Wales, a dead miner is found glowing green. UNIT investigates and Jo empathises with the environmentalism of Cliff Jones who is opposing the pollution from Global Chemicals
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