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Starring Jon Pertwee as The Doctor The Doctor and Jo take the TARDIS on a test flight. They arrive on a cargo ship, the SS Bernice, that appears to be crossing the Indian Ocean in 1926 but is in fact trapped inside a miniscope - a banned peepshow of miniaturised life-forms - on the planet Inter Minor. They enter another section of the scope but find themselves confronted by ferocious Drashigs. The Doctor eventually breaks out of the scope and returns to full size. The device is owned by a pair of Lurman entertainers, Vorg and Shirna, who hope to make a quick profit from Inter Minor's hitherto reclusive natives

Starring: Jon Pertwee, Katy Manning, Richard Franklin, Roger Delgado Directed by: Michael Ferguson. An approaching Alien spaceship is detected on monitoring equipment at UNIT HQ, where the Brigadier is entertaining two visitors - Chinn, a civil servant making a security inspection, and Bill Filer, an American agent sent to discuss the threat of the Master. The Ship lands in England and the UNIT team, joined by Hardiman and Winser from the nearby Nuton power station, meet its occupants: beautiful golden-skinned humanoids called Axons. Originally transmitted 13/03/71 - 03/04/71. DVD Extras: Commentary track. Photo gallery. Out takes/deleted scenes. 'Now and Then' featurette about the Dungeoness location. Interview with Michael Ferguson (director). 'Reverse Standards Conversion' featurette.

Starring: Jon Pertwee Directed by: Douglas Camfield "If you break through the Earth's crust now you'll release forces you never dreamed existed!" 20th Century Earth. An unhinged scientist, Professor Stahlman, is attempting the first penetration of the Earth's crust in a top secret drilling project called Inferno. His purpose? To tap into a new energy source at the core. But at what cost? When the Doctor is called in with his companion Liz Shaw to oversee the project, he soon develops grave misgivings. Things begin to go very wrong when a mysterious green substance leaks from the drillhead. A substance which turns all who come into contact with it into alien primeval creatures called Primords. Meanwhile, the Doctor finds himself transported into a parallel universe identical to 20th Century Earth. The mystery deepens as he finds that although the place, time and people are all the same, no-one seems to know who he is. Only one thing is certain: the drilling must be stopped before the full force of the energy from the core is unleashed, destroying not only this Earth but the one the Doctor has just left behind. Originally transmitted 09/05/70 - 20/06/70. DVD Extras: Commentary with script editor Terrance Dicks, producer/director Barry Letts, Nicholas Courtney (The Brigadier) and John Levene (Sgt. Benton). Can You Hear the Earth Scream? making of documentary. The UNIT Family (Part One) 36 minute documentary looking at the first half of the 'UNIT family' that characterised the Third Doctor's Earth-bound stories. Visual Effects Promo Film. The Pertwee Years Intro. Deleted scene - John Pertwee radio announcement. The 1971 Doctor Who Annual as PDF. Radio Times billings. Photo Gallery. Subtitled Production Notes.

Forbidden to continue his travels through time and space by his fellow Time Lords, the newly regenerated Doctor begins his exile on Earth and finds himself hurled into one of his most exciting and terrifying adventures. But the Doctor is not the only alien intelligence arriving on the planet. A shower of mysterious meteorites signals the coming of the Nestene Consciousness - an evil, cosmic, collective being with just one goal - total conquest of Earth. The Nestenes possess a special ability to control plastic and are making hordes of Autons - indestructible, armed, plastic mannikins, only awaiting the Nestene command to start their killer rampage. Brigadier Lethbridge-Stewart, scientist Liz Shaw and U.N.I.T. enlist the Doctor's help to defeat the relentless Auton invasion, but the Doctor has problems of his own.

UNIT is called in after a miner from the Welsh village of Llanfairfach is found dead, his skin glowing bright green. Jo joins forces with a local environment group, led by Professor Clifford Jones, while the Doctor investigates the nearby plant of a company called Global Chemicals. They discover that the mine workings are full of giant maggots and green slime - both lethal to touch - that have been produced by chemical waste pumped from the Global plant. Stevens, the Director of Global has been taken over by the BOSS - Bimorphic Organisational Systems Supervisor - a computer with a will of its own. The BOSS plans to seize power by linking itself to every other major computer in the world, but the Doctor uses a blue crystal - a souvenir from a brief visit to the planet Metebelis 3 - to break its hold over Stevens, who then programs it to self destruct. The maggots, on the point of pupating into giant insects, are destroyed with a type of fungus. Jo falls in love with Professor Jones and decides to leave UNIT in order to accompany him on an expedition up the Amazon - and to marry him. The Doctor gives her the blue crystal as an early wedding present.

Starring Jon Pertwee as the Third Doctor. A gel-like plasma creature arrives on earth and hunts down the Doctor, who calls on the Time Lords for help. The Time Lords themselves are in crisis as their energy is being drawn off into a black hole. They send the Doctor's earlier selves to join him. The first Doctor, caught in a time eddy and able only to advise, deduces that the creature is a time bridge. The third Doctor and Jo then give themselves up to it and are transported to a world of antimatter beyond the black hole. On Earth, the second Doctor is forced to take refuge in the TARDIS along with the Brigadier and Sergeant Benton. He switches off the ship's force field, and the whole UNIT building is transported through the black hole. Behind these events is Omega, a figure from the Time Lord history whose solar engineering provided the power for time travel. He has been trapped in the black hole ever since and now wants the Doctor to swap places with him, but it transpires that the corrosive properties of his domain have already destroyed his physical form, leaving only his will. He threatens to destroy the universe.

Journalist Sarah Jane Smith is impersonating her aunt, virologist Lavinia Smith, in order to gain access to a research centre where top scientists are being held in protective custody while UNIT investigates the disappearance of a number of their colleagues. The missing scientists have been kidnapped by a Sontaran, Linx, and taken back to medieval England, where they are working under hypnosis to repair his crashed spaceship.

Starring Patrick Troughton as the Doctor The TARDIS arrives on the planet of Telos where an Earth archaelogical expedition, led by Professor Parry, is attempting to uncover the lost tombs of the Cybermen. With the Doctor's help, the archaeologists enter the tombs. There, one of the party, Klieg, reveals that along with his business partner, Kaftan, his is planning to revive the Cybermen. He wants to use their strength, allied with the intelligence of his own Brotherhood of Logicians, to create an invincible force for conquest. All is not what it seems however and what was thought to be a life-less tomb turns out to be a giant trap created by the Cybermen themselves ....