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Episode Guide
The Mind of Evil
Production Code: FFF
Season 8, Story Number 56
Written by Don Houghton
Directed by Timothy Combe
No episode stills are currently available for this story.
Archives

Each episode is identified with date of transmission, duration, ratings in millions, and (for 1963-1974 only) archive status.

Episode 1
30 January 1971 | 24'39" | 6.1 | 16mm B&W t/r
Episode 2
06 February 1971 | 24'31" | 8.8 | 16mm B&W t/r
Episode 3
13 February 1971 | 24'30" | 7.5 | 16mm B&W t/r
Episode 4
20 February 1971 | 24'40" | 7.4 | 16mm B&W t/r
Episode 5
27 February 1971 | 23'34" | 7.6 | 16mm B&W t/r
Episode 6
06 March 1971 | 24'48" | 7.3 | 16mm B&W t/r
Archive Status: All six episodes exist as 16mm black & white telerecordings, as recovered from BBC Enterprises in 1978. Syndicated NTSC color versions were sent abroad prior to the wiping of the color videotapes; however, no complete recordings of this serial have been located yet for recolorizing the story. Several short clips were returned to the BBC from the opening of Episode 6 (the storming of Stangmoor Prison) in the early 1980's; these three clips (totalling no more than 4.5 minutes) are the only surviving color footage from the story (as speculation goes, the remainder of the story was taped over accidentally before the owner was aware of the value of his recordings). The B&W film recording of this segment was recolored using the NTSC color signal; this recolored clip was released on video (see below).
Cast
Jon Pertwee (Doctor Who), Katy Manning (Jo Grant), Nicholas Courtney (Brigadier Lethbridge-Stewart), John Levene (Sergeant Benton), Richard Franklin (Captain Mike Yates), Roger Delgado (The Master), Simon Lack (Professor Kettering), Pik-Sen Lim (Captain Chin Lee), Fernanda Marlowe (Corporal Bell), Michael Sheard (Dr. Summers), Raymond Westwell (Prison Governor), Neil McCarthy (Barnham), Clive Scott (Linwood), Roy Purcell (Chief Prison Officer Powers), Eric Mason (Senior Prison Officer Green), William Marlowe (Mailer), Haydn Jones (Vosper), Kristopher Kum (Fu Peng), Tommy Duggan (Charlie), David Calderisi (Senator Alcott), Patrick Godfrey (Major Cosworth), Johnny Barrs (Fuller), Bill Matthews (Prison Officer), Barry Wade (Prison Officer), Dave Carter (Prison Officer), Martin Gordon (Prison Officer), Matthew Walters (Main Gate Prisoner)
Synopsis
The Doctor and Jo arrive at HM Stangmoor Prison to observe a demonstration of a new device for treating hardened criminals, the Keller Machine. As Professor Kettering (Simon Lack) carries out the process, the prisoner being treated, George Edward Barnham (Neil McCarthy), collapses. Shortly afterwards, another observer, Arthur Linwood (Clive Scott), is found dead - he seems to have been bitten and scratched and Doctor Roland Summers (Michael Sheard) reveals that his medical history shows that he was terrified of rats. The prison governor (Raymond Westwell) asks Kettering to give the machine a thorough test.

The Brigadier (Nicholas Courtney) is organising the security for the first World Peace Conference and gives a separate job of safely transporting the Thunderbolt - a nuclear powered missile with a warhead full of nerve gas - to Yates (Richard Franklin). Captain Chin Lee (Pik Sen Lim) of the Chinese delegation complains to the Brigadier that important documents have been stolen from General Chen Teik's suite. Outside UNIT's temporary HQ, she burns the papers herself, apparently in a trance.

At the prison, Kettering is checking the Keller machine when it becomes active. He imagines water and gasps for air before he dies. Doctor Summers later says that all the indications are that he drowned, something Kettering was terrified of. The Doctor wants the machine destroyed but the Governor needs Home Office permission to do this. The Doctor learns that the machine has been in operation for nearly a year and that when Professor Emil Keller installed it, he had a Chinese girl as his assistant. The Doctor is with the machine when a riot starts among the prisoners. The machine activates and the Doctor sees fire and flames. The machine stops its attack when Jo enters the room. The Doctor realises he must find a way to control the machine.

The Doctor is urgently summoned back to UNIT HQ and he leaves orders that no one is to go near the machine. The Doctor learns from the Brigadier that the Chinese delegate has been killed and when Benton (John Levene) tries to follow Chin Lee, she knocks him out with telepathic power from the Keller machine.

Outside UNIT's HQ, the Master (Roger Delgado) bugs the telephones and listens as Yates outlines the route and plans for the transport of the missile. He then summons Chin Lee and orders her to kill the American delegate that night.

The Brigadier and the Doctor visit the new Chinese delegate, Mr Fu Peng (Kristopher Kum), where the Doctor's knowledge of Hokkien stands him in good stead. When the Brigadier mentions a Chinese girl, the Doctor makes the connection with the Keller machine.

That night, Chin Lee asks the American delegate, Senator Allcott (Tommy Duggan), to come to the Chinese delegate's suite. When he arrives she attacks him in the form of a Chinese dragon. The Doctor and the Brigadier arrive at the suite in time to stop her from killing the delegate and she reverts to human form and collapses. She has a telepathic amplifier behind her ear.

At the prison, two prisoners, Harry Mailer (William Marlowe) and Lenny Vosper (Haydn Jones), take two guards hostage. They assume control of B wing and demand to speak to the Governor. The guards manage, with some help from Jo, to recapture Mailer, but the Master arrives in the guise of Professor Keller, and asks to see Mailer. He helps him to escape once more, and this time Mailer gains control of the prison.

The Doctor arrives at the prison and discovers the Master in charge. The Master wants to hijack the missile, wipe out the peace conference and initiate a World War. He wants the Doctor to control the Keller machine and straps him to a chair beside it as he is curious to see how long the Doctor can stand up to it. With the telepathic amplifier placed on the Doctor's head, he sees images of his past enemies flash before his eyes before he collapses, along with everyone else in the prison. The Doctor realises that inside the machine is a creature that feeds on the evil in men's minds. The Doctor is put in a cell to recover and the Master is attacked by the machine - he sees the Doctor laughing at him. He runs from the room to escape.

The missile convoy is attacked by freed prisoners as it passes close to the prison. The missile is hijacked and Yates is captured after he follows the missile to an abandoned airfield. The Brigadier tries to locate the missile by helicopter but fails.

The Keller machine now has sufficient power to move about. It attacks anyone it finds, leaving them dead. The Doctor and Jo escape from their cell and encounter Mailer and Vosper. Vosper is killed by the machine and Mailer runs off, leaving the machine to attack the Doctor and Jo. The machine vanishes again as Barnham enters the room. All evil has been removed from his mind and he is as innocent as a small child.

The Doctor is recaptured by the Master and builds a coil device to throw over the machine and immobilise it. This works and the Doctor and Jo are again placed in a cell.

UNIT troops attack the prison and the Brigadier shoots Mailer before he can kill the Doctor. The Master has returned to where the missile is hidden and aims it. Yates, who has escaped, calls in from a mobile HQ with the location - Stanham, a deserted airfield. The Brigadier returns to the mobile HQ leaving the Doctor to try and deal with the machine.

The Doctor and Jo discover that Barnham's presence inhibits the machine - he has no evil for it to feed off. The Master contacts the Doctor by telephone. He wants to deal: his dematerialisation circuit for the missile. The Doctor agrees to meet him at the airfield.

The Master has disabled the abort mechanism on the missile so that when the Brigadier tries to destroy it using this option, nothing happens.

The Doctor realises that he can use the Keller machine against the Master and so arrives at the airfield in a prison van. With the Master distracted, Jo and Barnham, who were hiding in the back of the van, put the machine down beside him and run off. The machine immediately starts to attack the Master. The Doctor re-connects the abort mechanism and then runs for the waiting UNIT helicopter with Jo and Barnham. Barnham stops to help the Master, and as the machine's attack fades, the Master leaps in the prison van and runs Barnham down. The Brigadier blows up the missile, and the Keller machine is caught in the blast and hopefully destroyed.

Back at the prison, the Doctor takes a telephone call from the Master who is alive and well and has his dematerialisation circuit. He promises to destroy the Earth one day.

Synopsis from Doctor Who: The Third Doctor Handbook by David J. Howe, Mark Stammers and Stephen James Walker, reprinted with permission; further reproduction is not permitted.

Production Team
HAVOC (Action / Stuntwork), Sue Hedden (Assistant Floor Manager), Bobi Bartlett (Costumes), Ray London (Designer), Fred Hamilton (Film Cameraman), Max Samett (Film Cameraman), Howard Billingham (Film Editor), Dudley Simpson (Incidental Music), Jan Harrison (Make-Up), Barry Letts (Producer), John Griffiths (Production Assistant), Terrance Dicks (Script Editor), Brian Hodgson (Special Sounds), Eric Monk (Studio Lighting), Chick Anthony (Studio Sound), Delia Derbyshire (Theme Arrangement), Ron Grainer (Title Music), Jim Ward (Visual Effects)
Story Notes
The Mind of Evil is the last story to exist in its entirety solely in black and white, though a four-and-a-half minute color clip from the opening moments of episode 6 exists as recorded off American television (see Archives above.) Jon Pertwee was credited as "Dr. Who" rather than "Doctor Who" on the story; Roger Delgado did not appear in episode 1. The story saw the first ever use of subtitles during passages spoken in Chinese. Fernanda Marlowe portrayed Corporal Bell, a short-lived UNIT officer who was originally meant to recur throughout several stories. Pik Sen-Lim (Chinn Lee) was the wife of author Don Houghton, who also penned "Inferno". For the series of mental images as yanked from the Doctor's mind by the Keller machine, BBC publicity photographs of many past aliens were used including a Dalek, Cyberman, War Machine, Silurian, Zarbi ("The Web Planet") and Sensorite ("The Sensorites") as well as Koquillion ("The Rescue") and Slaar ("The Seeds of Death"). The working titles for the story were "The Pandora Machine," "Man Hours" and "The Pandora Box". Portions of this story were filmed at Dover Castle; additionally, some location footage had to be refilmed due to damage to the negatives, such as fight scenes which included members of the crew on camera.
For more in-depth information about the contents of this story, a complete episode-by-episode detailed breakdown can be found at the Doctor Who Reference Guide.
Additional, more detailed information about the production of this story can be found at Shannon Patrick Sullivan's A Brief History of Time (Travel).
Video release
 
Released as "The Mind of Evil" in the UK [May 1998] and Australia/New Zealand [January 1999] (BBC catalog #6361), US/Canada [March 1999] (WHV catalog #E1020); episodic format, photomontage cover. Release is a two-tape set in UK and US/Canada, one tape in Australia/New Zealand. Released in black and white as no color masters exist; the sole existing color clip from the story, from episode 6, is included at the end of the release.
Audio release
Several suites of music exist from this story, including: "Dover Castle" arranged by Dudley Simpson on "Sounds From... EMS," a flexidisc promo 7" LP from Electronic Music Studios released in 1972; "Minds of Evil" arranged by Dudley Simpson on "BBC Radiophonic Workshop-21," a 12" LP from BBC Records released in 1979; and the "Keller Machine Attack Theme" arranged by Dudley Simpson and John Mills, released on a variety of albums including "The Best of Dr. Who Volume 1" from Silva Screen (1993) and "The Worlds of Doctor Who" from Silva Screen (1994). The soundtrack featured the suite "The Devil's Triangle" by King Crimson; currently unavailable. More recently, some selections from this story (music and/or sound effects) have been released on "Doctor Who at the BBC Radiophonic Workshop, Volume Two - New Beginnings, 1970-1980" (BBC Music WMSF 6024-2).
In Print
Novelised as "Doctor Who -- The Mind of Evil" by Terrance Dicks (Target #96), hardcover and paperback, first released in 1985 with cover art by Andrew Skilleter. It was also combined with "The Claws of Axos" for one of Star Books' Doctor Who Classics volumes in 1989.
For more details on the various novelizations of this story, with additional background material, artwork and details of both UK and foreign releases, visit On Target.
Links and Additional Info
Restoration Team:More detailed information on technical matters concerning the video release of "The Mind of Evil" can be found at the Doctor Who Restoration Team website under the heading "The Mind of Evil".