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  "Before you start annihilating the thing, why don't we just take a look at it?"
 
 
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          | The Third Doctor's Early Adventures |  
          | Companions and Allies: The Brigadier, Liz Shaw, Sgt. Benton, Jo Grant, Capt. 
            Mike Yates Major Enemies: Autons, Nestene, Silurians, The Master
 
 
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          | Spearhead from Space |  
          | Location: England | Date: Late 1969 |  
          | 
    The TARDIS lands in a forest where UNIT soldiers search 
            for meteorites which have come down in formation. The Doctor has 
            collapsed and is taken to a hospital, where the press is tipped off 
            about his alien nature. Lethbridge-Stewart has recruited Dr. 
            Elizabeth Shaw as UNIT's scientific advisor, and they go to the 
            hospital after learning that the alien was found near a police box. 
            The Brigadier is surprised when a man he doesn't recognize calls him 
            by name. As he and Liz leave, The Doctor is kidnapped by Channing 
            and his associates. While escaping, he's accidentally shot by a UNIT 
            soldier, and lapses into a coma as he's returned to the hospital. 
            When he recovers, he steals the clothes of one of the doctors and 
            takes off in the man's roadster. He traces the TARDIS to UNIT HQ and 
            demands to see the Brigadier. He agrees to help UNIT, but then 
            convinces Liz to get the TARDIS key, using the excuse that he needs 
            some equipment. When he tries to leave, he finds that he can't 
            operate the TARDIS due to mental blocks implanted by the Time Lords. 
            UNIT troops are confronted by a living mannequin which is also 
            seeking the meteorites, but they do manage to recover one of them. 
            The Doctor and Liz discover it's part of a group mind, and learn 
            from John Ransome that the plastics factory where he worked has been 
            taken over by Channing, and is  guarded by the mannequins, which are called Autons. 
            General Scobie, UNIT's army liaison, has been replaced by an Auton, 
            which steals the meteorite and takes it to the factory. The Doctor 
            and Liz go to Madame Tussaud's wax museum following a tip from 
            Ransome, and find the real Scobie, as well as other government 
            leaders. More Autons come to life, breaking out of shop windows and 
            killing bystanders. The Doctor and Liz build a machine to disable 
            them, and go to the factory with the Brig and his men. "Scobie" and 
            a squad of regular army troops attempt to stop them, but The Doctor 
            disables the Scobie Auton (and the general recovers, to the surprise 
            of the patrons of Madame Tussaud's). As Liz and The Doctor enter the 
            factory the device fails, and The Doctor is attacked by the Nestene 
            Intelligence, which controls the Autons. Liz fixes the machine, and 
            the Nestene and Channing, also an Auton, are defeated. The Doctor 
            agrees to work for UNIT, provided he gets Liz as his assistant, 
            facilities to work on the TARDIS, and a car like the one he stole. 
            He adopts the name "Doctor John Smith", an alias first used by The 
            Second Doctor (The Wheel in Space). 
 
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          | The Silurians |  
          | Location: England | Date: 1970 |  
          | 
  Wenley Moor atomic research center is having problems, and 
            the Brig asks The Doctor and Liz to investigate. There have been 
            power losses and unexplained illnesses, including a man who's been 
            driven mad. The Doctor finds the man drawing monsters, and when he 
            investigates the caves housing the complex, he sees a dinosaur and 
            the tracks of a reptilian humanoid. UNIT troops wound one of the 
            creatures, but it escapes and later kills Dr. Quinn, the scientist 
            who discovered the beings, which he has identified as Silurians (The 
            Doctor later says they should have been called Eocenes: The Sea 
            Devils). The Doctor and Liz find a map to their base in Quinn's 
            house, and learn that the  power losses are caused by them bringing their 
            people out of hibernation. The Silurians ruled Earth before the rise 
            of man, but went into suspended animation in the caverns to avoid 
            the effects of a planet they believed would crash into Earth. The 
            object was caught by Earth's gravity and became the Moon, and the 
            Silurians remained asleep until the research center went online. The 
            Doctor convinces a Silurian elder to attempt peace talks, but the 
            leader of another faction unleashes a plague to eliminate the 
            humans. The elder gives a sample of the disease to The Doctor, who 
            finds a cure. He's captured before he can develop it, but Liz makes 
            the vaccine using his notes. With this plan thwarted, the rebel 
            Silurians try to use the center's reactor to power a device to 
            destroy the Van Allen belt surrounding Earth, and all but one return 
            to hibernation. The Doctor escapes, and shuts down the reactor. He 
            still wants to try diplomacy, and after he's assured that peace 
            talks will begin, he and Liz head back to London. Bessie breaks 
            down, and they witness the explosion of the caves, which the 
            government has ordered the Brigadier to carry out. 
 
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          | The Ambassadors of Death |  
          | Location: England | Date: 1970 |  
          | UNIT is 
            providing security for the recovery of Mars Probe 7. The Doctor 
            identifies a noise transmitted from the ship as a message, but his 
            attempts to decode it are hampered by one of the scientists at 
            Britain's Space Centre. The Doctor realizes that the astronauts, 
            who've been removed from the capsule by order of General Carrington, 
            one of the crew of Mars Probe 6, are really aliens who've been 
            substituted for the real crew. The aliens are radioactive, and their 
            touch is lethal to humans. The Doctor pilots a spacecraft to the 
            alien ship in an effort to locate the real crew, and learns that the 
            aliens are ambassadors. Their captain threatens to attack Earth 
            unless they are safely returned. Carrington plans to use the 
            captives for a series of attacks which he hopes will unite mankind 
            against the aliens, whom he blames for the death of one of his Probe 
            6 crewmembers. The Doctor alerts UNIT, and builds a translator which 
            enables him to convince the ambassadors of his good intentions. 
            Carrington is prevented from making a worldwide broadcast to alert 
            other nations to the alleged threat, and The Doctor starts 
            negotiations for exchanging the ambassadors for the Probe 7 crew.
 
 
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          | Inferno |  
          | Location: England | Date: July 1970 |  
          | 
  At Project Inferno, which is penetrating Earth's crust in 
            search of a new power source, some workers have been infected by a 
            green slime brought up by the drill. The slime is changing them into 
            savage creatures. The Doctor is already working at the project, 
            using some of its power for experiments on the TARDIS console, and 
            he and Liz are caught up in UNIT's investigation. The project's 
            head, Professor Stahlman, rejects the advice of The Doctor and 
            drilling consultant Greg Sutton to shut the drilling down. No one 
            knows that Stahlman has already been infected by the slime. Sir 
            Keith Gold, the government minister overseeing the project, heads to 
            London in an attempt to stop Stahlman, but the drilling goes on in 
            his absence. The Doctor continues his work, but an attack by one of 
            the creatures causes a power surge, and he  and the console vanish. The Doctor finds himself in a 
            dimension where Inferno is more advanced, and discovers that this 
            Britain is a fascist state, with duplicates of his UNIT allies as 
            its enforcers. This world's version of Stahlman has caused Sir 
            Keith's death, leaving only The Doctor and Sutton to stop him. They 
            fail, and The Doctor sees the onset of this Earth's destruction. 
            He's convinced this world's Liz Shaw of his origins, and she helps 
            him escape. The Liz of his own dimension finds him in shock, but 
            realizes that his mumbled message to reverse the drill will buy them 
            time to try to convince Stahlman to shut the project down. The 
            recovered Doctor tries to destroy the drill, but is stopped by 
            Stahlman and arrested by UNIT. He escapes, and he and Sutton battle 
            the transformed Stahlman, and manage to shut the process down with 
            only seconds to spare. Sir Keith has survived the accident which 
            killed his counterpart, and orders the project closed. Before the 
            project's power is finally shut down, The Doctor, who's been 
            berating the Brigadier for his pomposity, tries again to move the 
            TARDIS console. He sheepishly returns moments later, having managed 
            to get only as far as the project's garbage dump. 
 
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          | Terror of the Autons |  
          | Location: England | Date: Autumn 1970 |  
          | 
  Captain Mike Yates has 
            become the Brig's second-in-command, and Liz Shaw has returned to 
            Cambridge. The Brig assigns Josephine Grant, whose influential uncle 
            pulled strings to get her a job, as The Doctor's assistant. Jo 
            immediately wrecks one of his experiments, but he can't work up the 
            nerve to tell her he doesn't want her help. The Doctor's classmate, 
            The Master, has arrived on Earth, and has used the radio telescope 
            at Beacon Hill to summon the Nestene. UNIT is called to investigate 
            missing scientists at Beacon Hill, and while they are there one of 
            the Time Lords alerts The Doctor of The Master's plans. The last 
            remaining Auton meteorite has disappeared, and The Brigadier orders 
            a search of plastics factories. The Master has already taken over 
            Farrell Plastics, and is making Autons and other Nestene devices. He 
            captures Jo and hypnotizes her, ordering her to destroy The Doctor 
            with a bomb, but The Doctor breaks the hypnosis. Jo can't remember 
            where The Master is, but a car belonging to one of the scientists is 
            traced to Rossini's Circus. When The Doctor and Jo go there, he 
            finds The Master's TARDIS, and steals its dematerialization circuit. 
            After a scuffle with controlled circus people, they're captured by 
            Autons disguised as policemen, but are rescued by UNIT. The Master's 
            circuit won't work in The Doctor's TARDIS, but without it he's also 
            stranded on Earth. Reports of deaths come in, which The Doctor finds 
            are caused by plastic daffodils which spray a mask over the victim's 
            face, suffocating him, and then dissolving without trace. He traces 
            The Master, and while UNIT battles the Autons, convinces him the 
            Nestene will turn on him when his usefulness ends. Together they 
            prevent it from arriving on Earth, but The Master escapes by using a 
            disguised Farrell as a decoy. 
 
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          | The Mind of Evil |  
          | Location: England | Date: Late 1970 |  
          | 
  UNIT is providing security for a peace 
            conference, and disposing of a missile with a nerve gas warhead. The 
            Doctor and Jo have gone to Stangmoor Prison to see Professor 
            Kettering demonstrate the Keller machine, a device which drains evil 
            impulses from criminals. Barnham, the prisoner chosen for the 
            experiment, collapses, and a witness is found dead, apparently from 
            rat bites. The man had a fear of rats, and Kettering, who feared 
            drowning, is found near the machine, his lungs full of water. The 
            Doctor learns the machine has been in use for nearly a year, and 
            that Keller's assistant was a young Chinese woman. He's with the 
            machine as a riot starts, and sees his fear of fire (Inferno) 
            come to life. Before he can continue investigating he's called away. 
            The peace conference has been disrupted by the murder of the Chinese 
            delegate. The Master, who's bugged UNIT HQ, learns the route for the 
            missile transport. He's used Chin Lee, a young woman from the 
            Chinese delegation, to commit the murder, and plans to have her kill 
            other delegates. The Doctor impresses the new Chinese delegate with 
            his command of Chinese dialects and his friendship with Chairman 
            Mao, and he learns about Chin Lee, who he realizes was Keller's 
            assistant. He and the Brig stop her from killing the American 
            delegate. The Master helps the convicts gain control of Stangmoor, 
            and The Doctor is captured when he returns. The Master plans to 
            steal the missile and use it to destroy the peace conference. He 
            wants The Doctor to help him control the Keller machine, which 
            houses an alien parasite which feeds on evil. The Master also is 
            subject to the creature, and his greatest fear is The Doctor 
            laughing at him. The prisoners hijack the missile, and Captain Yates 
            is captured when he follows them. The Keller machine is now mobile, 
            and The Doctor learns that it's unable to act when Barnham, whose 
            evil impulses are gone, is present. The Master leaves to arm the 
            missile. UNIT troops attack the prison, and the Brigadier prevents 
            an inmate from shooting The Doctor. Yates has escaped and found the 
            airfield where the missile's been taken. The Master offers to 
            exchange it for his dematerialization circuit, and The Doctor 
            agrees. He arrives with Jo, Barnham, and the Keller machine, which 
            attacks The Master. The Doctor disarms the missile but The Master 
            escapes in a van, running over Barnham in the process. The missile's 
            destroyed and the Keller machine is caught in the blast. The Master 
            calls The Doctor to thank him for returning his circuit, and 
            promises to return to destroy Earth and The Doctor. 
 
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