Robot (TV story)

Robot was the first story of Season 12 of Doctor Who. Tom Baker as the Fourth Doctor debuted in this story, which followed on directly from the end of Planet of the Spiders. It was also the first story to feature new companion Harry Sullivan, played by Ian Marter, the first story for which Robert Holmes was script editor and the final story produced by Barry Letts. It was the last story in which Nicholas Courtney had a regular role as The Brigadier (the character wouldn't appear again until the following season). Likewise, John Levene's newly promoted Warrant Officer Benton makes his final appearance as a regular character.

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Synopsis
A newly regenerated Doctor joins UNIT in an investigation into the theft of top secret plans and equipment from supposedly secure premises. Sarah discovers that the raids have been carried out by a robot invented by scientist Professor Kettlewell while he was working for Think Tank, a body involved in developing emerging technologies.

The robot has been reprogrammed on the orders of Miss Winters, the director of Think Tank, and used to obtain the means for constructing a disintegrator gun with which the Scientific Reform Society - of which she is a leading member - can steal the computer codes controlling the nuclear weapons of the world's leading powers. In this way, the SRS hopes to hold the world to ransom unless its demands for a purer way of life are met.

Kettlewell is killed by the robot after he balks at Miss Winters' ruthlessness. The robot then suffers an electronic mental breakdown and tries to activate the nuclear weapons.

The Brigadier attempts to destroy it with the disintegrator gun, but this merely causes it to grow to gigantic proportions, following which it goes on the rampage.

The Doctor, assisted by UNIT medical officer Harry Sullivan, destroys it with a metal virus described in Kettlewell's notes.

Part One
Sarah Jane Smith and the Brigadier watch as the Third Doctor's features fade into that of the Fourth Doctor. The newly regenerated Doctor is delirious, waking up to spout random lines from past adventures before falling unconscious again. The Brigadier summons the base medical officer, Lieutenant Harry Sullivan to take the Doctor to sickbay and care for him.

Meanwhile, something large and mechanical enters a Ministry of Defence advanced research centre, killing a guard and breaking easily through a gate before stealing some documents from a vault. In the Doctor's laboratory, the Brigadier confides to Sarah that the plans are that of a disintegrator gun. Sarah asks the Brigadier if he could arrange for a visitor's pass to the National Institute for Advanced Scientific Research, or "Think Tank", which only admits journalists rarely. The Brigadier is glad to help, and the two leave for his office, just as the Doctor sneaks into the laboratory. Finding the TARDIS locked, the Doctor manages to discover the key in one of his boots. Before he can enter his ship, however, he is interrupted by Harry, who tries to persuade him to return to sickbay.

When Sarah and the Brigadier return to the lab, they find Harry shut up in a locker, and hear the wheezing sound of the TARDIS starting to take off. Sarah bangs frantically on the police box, causing the Doctor to pop his head out. Sarah tries to coax the still unstable Doctor out of the TARDIS by saying that they need his help to find a stolen secret weapon. She almost fails, until the Doctor finally recognises her and the Brigadier.

The mechanical creature breaks into another facility, this time stealing some components from a vault. The Brigadier brings the Doctor to investigate the break-in, but the Doctor seems more interested in a pulverised dandelion on the grounds. He points out that the amount of force needed to do that would have to be about a quarter ton. He also deduces from the stolen items that whoever is doing this is stealing the components of a disintegrator gun. The last component is a focusing generator, and the Brigadier orders the factory where it is housed to be guarded immediately.

Sarah goes to visit Think Tank, where she is shown around the grounds by the director, Hilda Winters and her assistant, Arnold Jellicoe. Think Tank is a pure research facility — once the research reaches a certain stage, it is handed off to another organisation with more resources, like the government. In fact, the initial work on the disintegrator gun was done by Think Tank. Sarah notices a door marked "No Admittance" and pushes her way through into the former robotics section run by Professor J.P. Kettlewell. She remembers that Kettlewell left Think Tank after he turned against conventional science, and now works on alternative energy facilities. Sarah nearly slips on a wet patch on the floor as she looks around. Jellicoe insists, however, that there is nothing in the section, and he and Winters escort Sarah out.

At Emmett's Electronics, UNIT sets up barriers on all sides, but the Doctor observes that they have covered all directions... except down. Sure enough, the mechanical thing tunnels upward into the vault where the generator is kept, and by the time the others arrive, all that is left is a dead guard and a hole in the floor. At the other end of the tunnel in the woods, Sergeant Benton discovers a giant, rectangular and very deep footprint.

Sarah goes to see Kettlewell, who brusquely tells her that Think Tank cannot be carrying on his robotics research because no one else has the ability to do so. Still suspicious, she drives back to Think Tank and sneaks back into the robotics section, discovering that the wet patch was actually oil. At that moment, a set of doors opens, and a giant, gleaming robot lumbers towards her menacingly, demanding to know who she is what she is doing here.

Part Two
Sarah runs, panicked, out where she came in and meets Winters. The director explains that since Sarah was so insistent on seeing what was in there, they activated the robot as a joke. In response to Sarah's questions, the robot identifies itself as Experimental Prototype Robot K1, its purpose being to replace human beings in carrying out hazardous activities like mining or handling radioactive materials. Sarah asks if the robot can be dangerous, and Winters demonstrates by ordering K1 to kill her. K1 is unable to do so, and the conflicting impulses cause it distress. Jellicoe explains that K1's prime directive is to serve and not harm humanity. Sarah observes that that was a cruel demonstration, and apologises to K1 for its distress, despite Winters claiming that the robot has no feelings. When Sarah leaves, Jellicoe tells Winters that the demonstration was dangerous, as K1's programming had just been reset.

Jellicoe and Winters adjust K1 again in preparation for sending it out. They show K1 a picture of Cabinet Minister Joseph Chambers, telling it that Chambers is an enemy of humanity. Meanwhile, Sarah reports what she has seen to UNIT. Unfortunately, the Brigadier cannot act without more evidence, so they decide to send Harry into Think Tank, undercover, to gather information. The others go to see Kettlewell, who is hostile at first but warms up when the Doctor shows interest in his work. Kettlewell tells them that he reluctantly ordered K1 dismantled because its capacity to learn and its power began to frighten him. He scoffs at the idea that Winters or Jellicoe would have the ability to alter the robot's programming, but concedes that if they had, it would drive the robot mad.

K1 enters Chambers' home, kills him and then disintegrates the door of his safe, stealing a set of documents. At UNIT, the Brigadier has discovered that many Think Tank scientists, including Winters and Jellicoe, belong to the Scientific Reform Society, a fringe group advocating a society ruled by a scientific elite. K1 arrives at Kettlewell's lab in a confused state and knowing it has been forced to go against its programming. It asks its creator for help. When the Doctor and the Brigadier go to Think Tank, Winters tells them that K1 has been dismantled, but Winters is aware that the Doctor knows she is lying. At the same time, Harry arrives at Think Tank in the guise of a medical inspector.

Alone in his lab, the Doctor receives a call from Kettlewell, who tells him about K1's presence. The Doctor agrees to go over, but leaves a note tacked up on the TARDIS in case it is a trap. Indeed, after Kettlewell hangs up, Winters and Jellicoe enter the professor's lab. When the Doctor arrives, he finds the place empty except for K1, who has been ordered to kill the Doctor as an enemy of humanity. Although the Doctor tries to get away, it manages to knock him out. K1 raises its arm to deliver the coup de grace.

Part Three
Before K1 can land the killing blow, Sarah (having read the note) arrives. K1 recognises her as the person who showed concern for its wellbeing, and when Sarah tells it that Think Tank are deceiving it, K1 flails about in confusion and distress. At that moment, Benton and a squad of UNIT soldiers arrive, but it easily shrugs off their gunfire and escapes. They find Kettlewell tied up inside a cupboard and take him back to UNIT headquarters. There, he confirms that Jellicoe and Winters altered the robot's programming and made it unstable. He explains that K1 is made of a living metal he invented, one that can grow like a living organism. That also led him to another discovery, a virus that could biodegrade metal into a recyclable form.

When Sarah discovers that Kettlewell is still a member of the Scientific Reform Society, she persuades him to attend that evening's meeting and let her in secretly. When Benton protests, she points out that neither she nor Kettlewell are under UNIT's jurisdiction and the two leave. When the Doctor wakes up, he has realised that Chambers must have had access to some kind of ultimate threat. The Brigadier explains that some months before, to ensure peace, the governments of Russia, China and America decided to give the locations and launch codes of their nuclear weapons to a neutral country Britain for safekeeping, with the intention that Britain could publish these codes if war was imminent and allow things to cool down. Chambers was holding on to these Destructor Codes, and if Think Tank has them, they could hold the world to ransom. When Benton tells them that Sarah has gone off with Kettlewell, the Doctor is alarmed.

At the SRS meeting, Kettlewell opens a side door to let Sarah in. She hides in the meeting room as Winters addresses the membership, ranting that soon they will rule as is their right. To Sarah's shock, she credits this to one man: Kettlewell, who joins them on stage, as does K1. The robot senses Sarah's presence and homes in on her, just as the Doctor arrives to provide a distraction. He knew Kettlewell was the only one capable of altering K1's programming; the attack on him was a ruse to gain UNIT's confidence. Kettlewell explains that for years he had tried to persuade people to stop destroying the environment. Now with Think Tank, he can make them stop instead. The Doctor points out that in science, as in morality, the ends never justify the means, and Kettlewell gets an inkling of Winters' ruthlessness when she orders the Doctor and Sarah killed.

UNIT arrives at that moment, but using K1 as cover and Sarah as a hostage, Winters, Jellicoe and Kettlewell make their escape. Harry contacts the Brigadier from Think Tank, reporting that the scientists are evacuating to a bunker, but is knocked unconscious and taken captive before he can relate any more. UNIT troops proceed to Think Tank's atomic shelter, but are held off by its automated defences. Winters contacts the Brigadier: they have already given the governments of the world their demands. Unless these are agreed to, in full, in thirty minutes, she will use the Destructor Codes.

Benton and his men knock out the bunker's machine gun nests while the Doctor uses his sonic screwdriver to detonate the mines surrounding the entrance. Winters sends K1 out, armed with the disintegrator gun, which he proceeds to use on a soldier, and then a UNIT tank. It warns that it will destroy them all.

Part Four
In the bunker, Winters gets Kettlewell to make the international computer linkups so they can use the Destructor Codes. Kettlewell still believes Winters is bluffing, but she disabuses him of the notion, telling him that if the world governments do not give in, she will fire the missiles. The countdown begins.

Kettlewell has a change of heart and tries to stop the countdown, but Jellicoe pulls a gun on him. However, Harry and Sarah have escaped their bonds and Harry knocks Jellicoe to the ground. Kettlewell holds the countdown while the other two open the doors. As they exit the bunker, K1 swings the disintegrator gun on them. Sarah tries to convince K1 again that Think Tank are evil. K1 struggles with the dilemma and fires the gun, disintegrating Kettlewell. With a wail of despair, the robot cries out that it has killed its creator, and collapses. With K1 apparently disabled, the Doctor and the UNIT troops make their way into the bunker.

Winters has resumed the countdown, and although she moves away from the console when ordered to, she is confident that no one can stop the countdown in time. However, she has not reckoned on the Doctor, who is able to reprogram the computer and cancel the order. However, in the mop-up, nobody notices that K1 has revived, and has taken Sarah with it into the bunker. The Doctor realises that K1 is in a state of emotional shock after killing its "father" and has developed an Oedipus complex. K1 intends to carry out Kettlewell's last orders and ensure the destruction of humanity, although the robot assures Sarah that she alone will be saved.

Benton tells the Doctor about Kettlewell's description of the robot's living metal and the accompanying virus he developed. The Doctor is delighted at the information and tells the Brigadier to find the robot while he and Harry go to Kettlewell's lab to cook up a batch of the virus. K1 locks the bunker and restarts to countdown. However, this time, the world governments' fail-safe procedures are activated in time, and the missiles remain unfired.

As K1 exits the bunker, the Brigadier fires at it with the disintegrator gun. However, instead of being destroyed, the robot starts to grow to gigantic size. It picks up Sarah like a doll and heads towards the nearby village. It places Sarah on a rooftop as a pitched battle takes place between K1 and the UNIT troops while the Doctor races back with the virus. Driving by K1's feet in his roadster, Bessie, the Doctor throws the batch of the virus at it. The virus instantly starts to spread across the robot's body, throwing its growth mechanism into reverse. It shrinks down to doll size, and then dissolves completely.

Back at the Doctor's laboratory, Sarah is still saddened at K1's demise. She realises that the Doctor had to do what he had to do, but it had seemed so human. The Doctor observes that it was capable of great good as well as great evil, so one could say that it was human. He suggests a trip in the TARDIS to cheer Sarah up. She agrees, just as Harry enters asking where they are going. When the Doctor tells him, Harry considers the idea that a police box can go anywhere an absurd idea. The Doctor then invites Harry to step inside to, just to prove that it is an illusion.

Harry steps into the TARDIS, and is heard to exclaim in surprise. The Doctor and Sarah follow, grinning. Once they enter, the TARDIS dematerialises just as the Brigadier comes in. Seeing the empty corner of the lab, the Brigadier muses to himself that he will have to tell Buckingham Palace that the Doctor will be a little late for dinner.

Cast

 * The Doctor - Tom Baker
 * Sarah Jane Smith - Elisabeth Sladen
 * Harry Sullivan - Ian Marter
 * Brigadier Lethbridge-Stewart - Nicholas Courtney
 * Warrant Officer Benton - John Levene
 * Hilda Winters - Patricia Maynard
 * K1 Robot - Michael Kilgarriff
 * Professor Kettlewell - Edward Burnham
 * Arnold Jellicoe - Alec Linstead
 * Short - Timothy Craven

Production Crew

 * Assistant Floor Manager - David Tilley
 * Costumes - James Acheson
 * Designer - Ian Rawnsley
 * Incidental Music - Dudley Simpson
 * Make-Up - Judy Clay
 * Production Assistant - Peter Grimwade
 * Production Unit Manager - George Gallaccio
 * Script Editor - Robert Holmes
 * Special Sounds - Dick Mills
 * Studio Lighting - Nigel Wright
 * Studio Sound - John Holmes, Trevor Webster
 * Theme Arrangement - Delia Derbyshire
 * Title Music - Ron Grainer
 * Visual Effects - Clifford Culley
 * Writer - Terrance Dicks
 * Producer - Barry Letts
 * Director - Christopher Barry

Organisations

 * The Scientific Reform Society believes that the world should be ruled via purely scientific principles.
 * Sarah asks the Brigadier to organise a visitor's pass to the Think Tank's Scientific Research Base for the Frontiers of Science group.

Cultural references

 * Sarah makes a mocking comparison between Harry and James Bond, when he "volunteers" to do a bit of espionage.
 * At one point the Doctor mentions the Titanic.

Weapons

 * The United Kingdom holds the Destructor Codes.
 * Emmett Electronics in Essex, is a firm that builds the focusing generator for the disintegrator gun.
 * The Ministry of Weaponry Research Center is robbed by the K1 robot.

Story notes

 * This was the first Doctor Who serial to have location as well as studio material shot on videotape, as opposed to the more usual BBC television drama practice of the time of shooting studio interiors on videotape and location exteriors on film. This was due to the large number of video effects involving the eponymous robot required in exterior scenes, which were easier and more convincing to marry to videotape than to film. The next serial to be produced completely on videotape was The Sontaran Experiment later that season. Beginning with The Trial of a Time Lord in 1986, videotaping exteriors became standard practice for the remainder of the 1963-89 series' run. The revived (2005-) series shoots most scenes on videotape, which is later processed to look like film (though some deleted scenes and other footage included on DVD releases are presented in their original videotape format).
 * The seeming disappearance of the robot's legs when it grows was due largely to a change in the way in which color separation overlay was achieved. Generally, Barry Letts had ordered blue as the background to all CSO shots during the Pertwee era.  However, as with the previous story, Planet of the Spiders, yellow was used.   While this switch had produced generally desirable results for the shots of the Whomobile in flight in Spiders, it didn't work so well in this story, due to the fact that the reflection of the studio lights on the silver of the robot's body registered as yellow to the camera.  When the growing robot was keyed into the shot with Sarah, the CSO process removed all yellow from the shot, which took away not just the yellow background, but also those parts of the robot's body which the camera saw as yellow.
 * Benton is promoted to Warrant Officer. This is not reflected in the closing credits, which continue to give his rank as Sergeant.
 * This story features the debut of another new opening and closing title sequence, again designed by Bernard Lodge and realised using the 'slit scan' process, but in this instance featuring Tom Baker rather than Jon Pertwee and, for the first time, the TARDIS's police box exterior.
 * Terrance Dicks later said that two major influences for this story were King Kong and Isaac Asimov's I, Robot.
 * This is the first story which makes note of the Brigadier's full name: Alistair Gordon Lethbridge-Stewart.  Prior to this story, his middle name had never been revealed.
 * Parts of this story were recorded at the same time as parts of Planet of the Spiders. This not only meant that Jon Pertwee and Tom Baker were literally playing the Doctor at the same time, but also that Elizabeth Sladen and to a lesser extent, Nicholas Courtney and John Levene were having to rush back and forth between the two productions.
 * This story marks the final appearance of Bessie until The Five Doctors nine years later.

Ratings

 * Part 1 - 10.8 million viewers
 * Part 2 - 10.7 million viewers
 * Part 3 - 10.1 million viewers
 * Part 4 - 9.0 million viewers

Myths
to be added

Filming locations

 * Wood Norton Estate, Evesham, Hereford (BBC Wood Norton)
 * BBC Television Centre (TC3 & TC7), Shepherd's Bush, London

Production errors

 * K1 with doll Sarah and Action Man tank. His legs keep vanishing as well.
 * The Doctor chops a brick in half, but it's clearly a block of balsa wood. Listen for the noise when it hits the ground.
 * The height of the robot is inconsistent after it grows to a huge size.
 * The elite UNIT soldiers not only let a slow-moving 3-metre tall silver robot escape from them, at various points during the firefight, they are shooting at each other.
 * The note the Doctor leaves on the TARDIS is very short when he posts it but much longer when Sarah reads it.
 * Benton mentions he has been promoted to Warrant Officer, but is still credited as "Sergeant Benton".

Continuity

 * The end of this story leads directly into the opening of the next one, The Ark in Space. It is the first of a continuous series of adventures for the TARDIS crew, beginning from the end of Robot and continuing through to Terror of the Zygons, although MA: A Device of Death takes place in a possible gap between Genesis of the Daleks and Revenge of the Cybermen, and PDA: Wolfsbane is set in another such gap between Revenge of the Cybermen and Terror of the Zygons.
 * The novelisation Doctor Who and the Face of Evil suggests that the Doctor's first visit to the planet of the Sevateem takes place early during this story, when Sarah witnesses the newly regenerated and still delirious Doctor starting to leave in the TARDIS.
 * Elements of this story have surfaced in BFBS: The Relics of Jegg-Sau, Kettlewell's robot designs are revived in the 26th century, where the Robots once again go mad.
 * Hilda Winters (again played by Patricia Maynard) returns in BFSJS: Mirror, Signal, Manoeuvre
 * In post regenerative confusion, the Doctor refers to The Time Warrior ('Sontarans perverting the course of human history'), Invasion of the Dinosaurs ('I tell you, Brigadier, the Brontosaurus is large and placid. And stupid!').
 * The destructor codes are utilised once more in NA: Return of the Living Dad.
 * The Doctor uses his sonic screwdriver to detonate a minefield, much as he did in DW: The Sea Devils.
 * The Doctor carries a small spyglass in his pocket, much as he later produces in DW: The Fires of Pompeii.
 * As the Doctor empties his pockets at the SRS meeting, he produces a map from Skaro and references that Alpha Centauri table tennis players have six arms, which is consistent with the appearance of their representative in DW:The Curse of Peladon and DW:The Monster of Peladon.

Timeline

 * This story occurs after DW: Planet of the Spiders
 * TVC: Death Flower takes place during episode 2 of this story.
 * This story occurs before DW: The Ark in Space

DVD releases
Released as Doctor Who: Robot.

Released:
 * Region 2 4th June 2007
 * PAL - BBC DVD BBCDVD2332


 * Region 4 4th July 2007
 * Region 1 14th August 2007

Notes:
 * Editing for DVD release completed by Doctor Who Restoration Team.

Contents:
 * Commentary by Tom Baker, Elisabeth Sladen, Terrance Dicks and Barry Letts.
 * Are Friends Electric? - A new documentary examining Tom Baker's introduction as the Doctor and the making of his first story. Featuring Tom Baker, Elisabeth Sladen, Alec Linstead, Patricia Maynard, Michael Kilgarriff, Edward Burnham, Barry Letts, Philip Hinchcliffe, Terrance Dicks, Christopher Barry and George Gallaccio.
 * The Tunnel Effect - Graphic designer Bernard Lodge explains how he created the complex opening titles for Tom Baker's stories.
 * Blue Peter - Due to a 1974 strike, the Blue Peter team present the programme from the set of Robot.
 * Radio Times Listings (DVD-ROM PC/Mac)
 * Photo Gallery
 * Production Subtitles

Video releases
Released as Doctor Who: Robot.

Released:
 * UK January 1992
 * US May 1994
 * Australia July 1992

Novelisation and its audiobooks

 * Main article: Doctor Who and the Giant Robot


 * Novelised as Doctor Who and the Giant Robot by Terrance Dicks in March 1975
 * Also novelised as the Junior Doctor Who and the Giant Robot by Terrance Dicks in 1980