Doctor Who: Season 13, Episode 26

The Seeds of Doom: Part Six (6 Mar. 1976)

TV Episode  |  TV-PG  |   |  Adventure, Drama, Family
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Ratings: 8.8/10 from 146 users  
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Chase is obviously under Krynoid control. The Doctor suspects possession but, with the mountainous Krynoid nearing maturity and whacking the mansion to pieces, he concerns himself with the ... See full summary »


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Title: The Seeds of Doom: Part Six (06 Mar 1976)

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Episode complete credited cast:
Tony Beckley ...
John Challis ...
Michael Barrington ...
John Acheson ...
Ray Barron ...
Sergeant Henderson


Chase is obviously under Krynoid control. The Doctor suspects possession but, with the mountainous Krynoid nearing maturity and whacking the mansion to pieces, he concerns himself with the bigger picture and orders the mansion - with Sarah and him still inside - to be bombed. Written by statmanjeff

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Release Date:

6 March 1976 (UK)  »

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Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The episode also marked the final major appearance of UNIT in the series until 1989's Battlefield (although it would be referenced in the Fifth Doctor story Time-Flight, Brigadier Alistair Gordon Lethbridge-Stewart appeared in the 1983 story Mawdryn Undead as a retired civilian, and there is a sequence set at UNIT HQ in The Five Doctors). None of the established UNIT characters are seen in UNIT's brief appearance in this story, as it was felt that there was too little material to warrant bringing back the Brigadier and Sergeant Benton. See more »


When the Doctor and Sarah Jane escape the composting room and go running to the door outside, the Doctor bumps the wall, causing the top corner to wobble conspicuously. See more »


Sir Colin Thackeray: Well, Doctor, do you think we've heard the last of the Krynoid?
Doctor Who: Sir, Colin, the Intergalactic Floral Society - of which, quite naturally, I'm the president - finds Krynoids a difficult subject to study. Their researchers tend to disappear.
Sarah Jane Smith: Hmm, I can imagine: a case of one veg and no meat.
See more »


Featured in The Lively Arts: Whose Dr. Who (1977) See more »

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User Reviews

Seeds of Success!
30 November 2014 | by (South Wales, UK) – See all my reviews

Review of all 6 episodes:

Horror content was at its peak at this point in the series history and this story is one of the most horror based of all. There are some genuinely grim and macabre scenes which must have had children and parents hiding behind the sofa. After having a lot of complaints during this time for being too adult and horrific Doctor Who producers were forced to tone it down and the series, whilst still always continuing to have brilliant thrills, scares and adult qualities was never again to have quite the level of adult thrills found in series 13 and 14. A scene where someone gets chewed up by a recycling machine is one example but there is a lot of quite adult content here and that only serves to make this a superb and memorable adventure. The sinister villain Chase and his violent thug Scoby (played by John Challis, 'Boycie' from comedy classic 'Only Fools and Horses') are extremely menacing and effective characters, both acted incredibly well.

The story is that The Doctor and Sarah go to an Antarctic base where three scientists have discovered a form of unknown plant life buried in the snow. It has been there for many thousands of years but is of alien origin. The pods found turn out to be Krynoids, a plant which is carnivorous, parasitic, powerful and immensely fast growing. The Doctor knows this plant is a threat to all humanity but a pod is stolen by crazed millionaire Chase who is obsessed with plants.

The suspense and shocks are just one element though and the dialogue and acting throughout are of immense quality. Douglas Camfield puts in yet another top class job as director and Hinchcliffe and Holmes era of running the series is again proved to be the best era of Doctor Who ever. This story finished off series 13 which along with the following series were probably the best two series of all time before Hinchcliffe very sadly moved on, followed by Holmes. Any Doctor Who 'show-runner' now or in the future should aim to copy the qualities of this era as it is as good as TV gets.

This is not the strongest story of series 13 but it would be the strongest in many other series and it is a fantastic, gripping and entertaining pleasure from start to finish. A 10/10 classic that all 'Whovians' must see.

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