Doctor Who (1963–1989)
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The Green Death: Episode Six 

The Doctor attempts to destroy the giant maggots and cure Cliff but the real threat is BOSS, who is poised to take over all the world's computers.


(as Michael Briant)



On Disc

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Episode complete credited cast:
Jo Grant
Brigadier Lethbridge Stewart
Stewart Bevan ...
Clifford Jones
Boss's Voice (voice)
Mitzi McKenzie ...
Captain Yates
Sergeant Benton


The Doctor attempts to destroy the giant maggots and cure Cliff but the real threat is BOSS, who is poised to take over all the world's computers.

Plot Summary | Add Synopsis


TV-PG | See all certifications »




Release Date:

23 June 1973 (UK)  »

Filming Locations:

Company Credits

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Technical Specs

Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The computer seems to be governed by many of Frederick Nietzsche's political and social policies. He even refers to Stevens as his little "Superman" (Ubermensch), a sociological ideal for man. See more »


One of the closeup shots of the maggots shows that it's raining, while the rest of the closeups - ostensibly in the same area at the same time - show that it's not. See more »


Featured in Doctor Who Live: The Afterparty (2013) See more »


It'll Never Be Me
Written by Phil May, Dick Taylor, Wally Waller and John Povey
Performed by Electric Banana
See more »

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User Reviews

Giant maggots, green slime, South Wales coal mining village, Eco warriors and farewell to Jo Grant
19 October 2014 | by See all my reviews

Review of all 6 episodes:

This is 'the one with the giant maggots in South Wales' and it is etched on the memories of many fans and casual viewers alike. It is a brilliant, interesting and often exciting story with great characters and excellent acting in many guest roles as well as the terrific regular cast. It features iconic images and scenes throughout and some of it is true all time classic standard but it also has a few imperfections which hold most of its episodes back from reaching the full 10/10 classic level.

The Doctor, Jo and the Brigadier travel to Llanfairfach in South Wales where a closed down coal mine has been infected with a deadly green slime. This is linked to Global Chemicals and their work in the area. A group of 1970s 'eco warriors' lead by Clifford Jones, a young, idealistic Welsh scientist oppose the company and rightly suspect environmental impact from its work. Down the mines The Doctor discovers deadly giant maggots. Meanwhile the man in charge at Global Chemicals is under the influence of a computer known as BOSS which begins to take control of those who question the company's actions. Jo begins to feel the need to leave The Doctor to pursue her own interests and love life and at the end there is a poignant parting of the ways between her and The Doctor.

The majority of this story is brilliant, classic Pertwee era Who. The maggots are fun monsters and there are some great moments with them menacing people. The character based elements involving The Doctor, Jo and UNIT are superb, some of the guest characters are excellent and the wonderful final scene when The Doctor has to accept Jo has moved on from him is moving and beautiful in its understated simplicity. There is action, humour (such as The Doctor impersonating a milkman and a cleaning lady) and excitement.

The faults include a few dodgy Welsh accents and a few scenes and plot elements which do not work as well as others. The computer 'BOSS' is a plot aspect I rather dislike and is actually unnecessary in my opinion. It would have been better if human villain Stevens had been the megalomaniac behind it all himself or if an intelligent but evil alien villain was the influence behind it. The mad computer is a real drawback in my opinion.

Very enjoyable story particularly the fantastic third episode and the great send off for Jo.

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