When the TARDIS malfunctions and the doors open in the time vortex, the travelers and their Ship shrink to the size of insects. When they arrive on Earth, they uncover a murderous plot ... See full summary »




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Episode cast overview:
William Russell ...
Jacqueline Hill ...
Alan Tilvern ...
Frank Crawshaw ...


When the TARDIS malfunctions and the doors open in the time vortex, the travelers and their Ship shrink to the size of insects. When they arrive on Earth, they uncover a murderous plot involving a new insecticide - but how can they stop the crime in their miniaturized condition? (Originally broadcast in three parts.) Written by Sarah Hadley

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Release Date:

31 October 1964 (UK)  »

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Aspect Ratio:

1.33 : 1
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Did You Know?


Fans voted this number 131 in a countdown of the 163 Doctor Who (1963) stories in Outpost Gallifrey's 40th anniversary poll in 2003. See more »


When the Doctor is looking over the paving stone, wrinkles can be seen in the painted backcloth. See more »


Dr. Who: As I said my dear, it's fortunate for all of us that everything is dead.
Susan Foreman: [seeing the giant cat which is very much still alive] Grandfather!
See more »


Remade as Doctor Who: Planet of Giants (2012) See more »

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User Reviews

An Arch Story Opening To An Arch Season
9 August 2013 | by (Isle Of Bute , Scotland) – See all my reviews

An alarm in the Tardis warns the ship's crew that something is amiss but the fault locator indicates all is well and the Doctor will prove this to everyone by taking them outside . They exit the Tardis and are astounded to find a giant worm that is dead and quickly find a giant ant that is also dead . They come to the conclusion that these creatures aren't giant but they themselves have shrunk in size

Season one of DOCTOR WHO was a massive success but this was mainly down to the Daleks . One suspects the success of the show got to the production teams head a little bit and they started pushing out the boundaries a bit more with mixed results . There's the dramatic gravatis of the first season the convincing performances but the arch feel starts to take precedent and the novelty value and somewhat uneven tone starts to infest the season and becomes slightly more pronounced in patches throughout this season

You get the impression that writer Louis Marks wants to write a straight forward murder mystery involving dangerous insecticide or a story where the Tardis lands on an alternative Earth where all animals are giant deadly predators . The problem with this story is that the crime story miniaturized Tardis crew never really gels with one another . Once the shock of a miniature Doctor , Susan , Ian and Barbara wears off you can't help feeling this is somewhat pointless and it says something that this was a four part story that was edited down to three episodes . That said the regular cast rise above the material especially Jacqueline Hill

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