Doc is pitted against maggots, a giant fly and a wholly unrelated plot by a supercomputer to conquer the world of business in Jo Grant’s final serial
Global Chemicals, in a bid to bring riches back to South Wales, have secured a government contract to muscle out coal in favour of the much cleaner and cheaper oil.
Understandably, this has brought the ire of Nobel laureate, professor Jones, a mushroom-fuelled conservationist and hippie romantic.
When a bright-green miner turns up dead, UNIT enters the scene to investigate, only to find gigantic maggots, suicidal zombie bureaucrats and a sinister reel-to-reel.
This was the final Doctor Who serial to feature Katy Manning as companion Jo Grant and she will be greatly missed.
On a related note, here is the “Global Conspiracy” mini-feature mentioned in this podcast episode:
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