Doctor Who: Season 13, Episode 5

Planet of Evil: Part One (27 Sep. 1975)

TV Episode  |  TV-PG  |   |  Adventure, Drama, Family
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Ratings: 7.9/10 from 187 users  
Reviews: 6 user | 4 critic

The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.



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Title: Planet of Evil: Part One (27 Sep 1975)

Planet of Evil: Part One (27 Sep 1975) on IMDb 7.9/10

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Episode complete credited cast:
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The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.

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Release Date:

27 September 1975 (UK)  »

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Technical Specs

Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The decision was taken to film the jungle scenes at Ealing Studios using 16mm film instead of building a set in BBC Television Centre and using videotape. This was done on the advice of designer Roger Murray-Leach, who stated that an alien environment could be better achieved on film instead of on video in a television studio. See more »


The Doctor: You and I are scientists, Professor. We buy our privilege to experiment at the cost of total responsibility.
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User Reviews

Menacing, interesting and entertaining Sci-fi adventure
24 November 2014 | by (South Wales, UK) – See all my reviews

Review of all 4 episodes:

Musing about his recent lifestyle The Doctor expresses that he is a Time Lord with huge thirst for knowledge and ambition to explore all time and space. He says to be a scientific adviser for UNIT is a relatively small scale and limiting choice for him. This adventure is the start of moving the series on from the Earth based, UNIT adventures into new territory. UNIT had an excellent story Terror of the Zygons, prior to this with the Brigadier and Benton on top form but to expand the series scope out was a good move even if it meant sadly phasing out UNIT.

This story has The Doctor and Sarah arriving on a planet which is the meeting of our universe with the universe of antimatter. A scientist, Sorenson, is dangerously trying to use antimatter as a limitless power source and the planet has forces within it that manifest as an antimatter monster to try to stop the two universes being brought together into destruction. The crew of a rescue ship are caught up in this and are being killed one by one as The Doctor gets involved and becomes the figure of blame (as usual).

There is great action and dialogue along the way and a thoroughly entertaining adventure. The acting is excellent throughout, the planet itself is very well realised on screen and the effects are decent. This is a top class sci-fi story.

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