Doctor Who (1963–1989)
6 user 4 critic

The Tenth Planet: Episode 1 

In December 1986, a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.


Derek Martinus


Kit Pedler (by) (as Kitt Pedler)


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Episode cast overview:
William Hartnell ... Dr. Who
Robert Beatty ... General Cutler
Dudley Jones Dudley Jones ... Dyson
David Dodimead David Dodimead ... Barclay
Alan White Alan White ... Schultz
Earl Cameron ... Williams
Shane Shelton Shane Shelton ... Tito
John Brandon ... American Sergeant
Anneke Wills ... Polly
Michael Craze ... Ben
Steve Plytas Steve Plytas ... Wigner
Christopher Matthews ... Radar Technician


In December 1986, a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.

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Did You Know?


Fans voted this number 53 in a countdown of the 163 Doctor Who (1963) stories in Outpost Gallifrey's 40th anniversary poll in 2003. See more »


A boom microphone shadow is cast on Tito's head after he hangs up the telephone. See more »


Krail: You must come and live with us.
Polly Wright: But we cannot live with you! You're different. You've got no feelings.
Krail: Feelings? I do not understand that word.
The Doctor: Emotions. Love. Pride. Hate. Fear. Have you no emotions, sir?
Krail: Come to Mondas and you will have no need of emotions. You will become like us.
[Mondas is draining Earth of its energy]
Cyberman: You must come and live with us.
Polly: But we cannot live with you, you're... you're different, you've got no feelings.
Cyberman: Feelings? I do not understand that word.
The Doctor: Emotions! Love, pride, hate,...
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Crazy Credits

Writer Kit Pedler's name is misspelled in the opening titles to several of this story's episodes. See more »

Alternate Versions

The BBC Video release of this story features a "reconstructed" version of the missing fourth episode made by combining a fan-recorded audio track with surviving clips, screen photographs called "telesnaps", and production stills. See more »


Referenced in The Cold War (2009) See more »


Space Adventure
Composed by Martin Slavin
Conducted by Norman Ramin
See more »

User Reviews

Historic, very effective and entertaining - First ever Cybermen story and the first ever regeneration for the Doctor
21 August 2014 | by A_Kind_Of_CineMagicSee all my reviews

Review for all 4 parts:

This story from writer Kit Pedler is historic and thankfully the quality matches its importance. And important it really is because the idea of changing the actor playing the Doctor by having him 'regenerate' into a different version of the same character was incredible and untested. It is hard now to imagine how radical this idea was at the time. If it had failed Doctor Who would have been finished whereas as the time of writing we have just celebrated an amazing 50 years of Doctor Who with the show and most of its key elements still continuing as strongly as ever.

As a springboard for all that we have this excellent adventure which also has the historic first ever appearance by the Cybermen. I really like these prototype Cybermen and even their 'sing-song' voices. I think the concept behind them is great and the story itself has them involved in an exciting attempt to destroy humanity. Their unfeeling nature and the scares and action set them up as an iconic 'monster' to rival the Daleks.

All aspects of the production are very good indeed and any flaws are minor. The story unfortunately has the Doctor sidelined a lot of the time which was unnecessary and sad in Hartnell's last regular appearance. However, when he does get involved he is as good as ever, delivering his lines with his usual charisma and that magical touch Hartnell had for being somewhat other worldly and dangerous but also endearing and delightful.

This is a classic which all fans must see. All 4 episodes 10/10.

Average rating for all William Hartnell episodes 8.26/10.

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Release Date:

8 October 1966 (UK) See more »

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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