The inimitable Doctor Who and his assistant Leela are confronted by sinister and seemingly inexplicable occurrences in this gripping thriller set in the shadowy depths of nineteenth century London. With the help of Professor Litefoot, the Doctor investigates the gruesome murder of a cabbie and the mysterious disappearances of young girls. Whilst being chased by giant rats and forced to pit his wits against an evil doll and a merciless illusionist, he comes face to face with his most deadly enemy to date: Magnus Greel - a fifty-first century war criminal posing as Weng Chiang, an ancient Chinese god.

Can the Doctor thwart his dastardly plans before Leela becomes his next victim.... This is the first time an unedited version of Dr Who: Talons of Weng Chiang has ever been released. Extras...

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...

On the planet Telos, the Doctor and his friends encounter a party of archaeologists intent on uncovering the mythical 'tomb of the Cybermen'. Only the Doctor seems aware of the folly of this venture, but suddenly it's too late - the ice tombs are open, and the Cybermen are coming back to life... Trapped underground with the Cyber Controller and his acolytes, including the vermin-like Cybermats, the Doctor and company learn that they are to be turned into a new generation of Cybermen.

To make matters worse, there is treachery and double-crossing amongst the humans. Can the Cyber menace be made dormant before it spreads out to the galaxy once again - and will the Doctor, Jamie and Victoria escape with their lives? Patrick Troughton is the Doctor in this digitally remastered...

Starring: Patrick Troughton, Colin Baker, Nicola Bryant Directed by: Peter Moffatt When the Doctor (Colin Baker) lands on a space station in the Third Zone, he suspects he's been there before and when he discovers his old assistant - Jamie - he's certain. Accompanied by Jamie and his present assistant Peri, the Doctor follows himself (Patrick Troughton) to 20th Century Seville. There he discovers his old enemeies, the Sontarans, about to dissect him in a genetic operation.

But just why are they operating on the Doctor? And how will their findings aid their enslavement of the universe? Deadly questions to which the Doctors must find answers in order to escape their own excruciating death... Extras include: Commentary by Colin Baker, Nicola Bryant, Frazer Hines, Jacqueline Pearce...

Starring: John Baker, Peter Davison, Anthony Calf Directed by: Peter Moffatt The Doctor attempts to take Tegan back to Heathrow Airport but the TARDIS arrives in the 17th Century instead of the 20th. The time travellers discover that a space capsule has crash-landed nearby and that its alien occupants, three Terileptil prison escapees, intend to wipe out all indigenous life on Earth by releasing rats infected with an enhanced strain of the great plague. The creatures are also using a sophisticated android to strike terror into the local villagers.

Aided by itinerant thespian Richard Mace, the Doctor tracks the Terileptils to their base in Pudding Lane, London. The creatures are ultimately destroyed when a fire breaks out and the Terileptil leader's weapon explodes - also setting off...

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 ....

Patrick Troughton stars as the second Doctor in this 1967 adventure, which finds him stumbling across the lost city of Atlantis... The TARDIS arrives on an extinct volcanic island, beneath which lies a fantastic subterranean world inhabited by the primitive Atlanteans. The Doctor and his companions move from the frying pan to fire when they are rescued, from death at the jaws of hungry sharks, by the mad Professor Zaroff - whose plans involve nothing less than the destruction of the whole world.

Ben and Jamie are sent to work in the mines, and Polly looks set to be transformed into a water-breathing Fish Person unless the Doctor can intervene. Will the travellers be able to engineer the revolution which is needed to save Earth? This long-awaited release also features a bonus interview...

Starring Colin Baker Written by Phillip Martin Directed by Ron Jones Produced by John Nathan-Turner The Doctor visits the planet Varos to obtain supplies of a rare ore called zeiton 7, vital to the functioning of the TARDIS. Varos was once a colony for the criminally insane and the descedants of the orginal guards still rule over the rest poverty-striken population. The Doctor and Peri meet two rebels, Jondar and Areta, and Peri and Areta are captured by Qullam, the Dome's sadistic commandant...

Extras include commentary track, on-screen production notes, photo gallery and deleted scenes.

Starring: William Hartnell. Directed by: Richard Martin. "Somewhere, somehow we are being slowly dragged down..." When the Doctor and his friends stray from their astral plane and the TARDIS materialises in eerie alien surroundings, a mysterious force prevents them from leaving.

Is it a natural phenomenon or some malevolent intelligence? Uncanny occurences are followed by encounters with the deadly Zarbi and their unknown leader, to whom the travellers fall prey. With their allies, the Menoptra, the travellers must discover how to immobilise the Zarbi, save the Menoptra from massacre and rid the planet of this powerful and horrifying evil. As a growing web building begins to envelop the planet, imprisoning the travellers in its mesh, the Doctor must consult all of his wisdom to escape its...

The Cybermen return to menace the second Doctor Patrick Troughton, in this six-part story from 1968 - only two episodes of which survive in the BBC Television Archives. When the TARDIS materialises on the seemingly deserted Silver Carrier rocket, the Doctor is rendered unconscious by a Servo Robot. It's up to Jamie to contact the nearby Wheel space station for; however, the Wheel is soon under attack from the emotionless Cybermen.

The Doctor's old enemies intend to use the Wheel as a beacon for a full-scale invasion of Earth. In their bid to halt the approaching Cyber-fleet, the recovered Doctor and Jamie are helped by the crew of the Wheel - which includes a plucky young astrophysicist named Zoe Herriot. But with the space station already infiltrated by Cybermats, and many of...