Mud, barbed wire, the smell of death... The year is 1917 and the TARDIS has materialised on the Western Front during the First World War. Or has it? For very soon the Doctor finds himself pursued by the soldiers of Ancient Rome; and then he and his companions are reliving the American Civil War...

The evil Master has stolen the Time Lords’ file on the horrifying Doomsday Weapon with which, when he finds it, he can blast whole planets out of existence and make himself ruler of the Galaxy! The Time Lords direct Doctor Who and Jo Grant in their TARDIS to a bleak planet in the year 2471...

Whilst visiting the Master, who has been exiled to a luxurious castle prison on a small island, Doctor Who and Jo Grant learn that a number of ships have vanished in the area. Whilst investigating these mysterious disappearances, Jo and the Doctor are attacked by a Sea-Devil, one of a submarine...

‘Doctor!’ screamed Jo. ‘Look at that thing. It’s coming straight at us!’ A small, black spaceship, about a mile away, was approaching rapidly. It had no lights, no markings. But some instinct told Jo that the tiny craft meant danger. The year is 2540, and two powers loom large in the...

The Green Death begins slowly. In a small Welsh mining village a man emerges from the disused colliery covered in a green fungus. Minutes later he is dead. UNIT, Jo Grant and Doctor Who in tow, arrive on the scene to investigate, but strangely reluctant to assist their enquiries is Dr Stevens...

Visiting the Master in his high-security prison just off the south coast of England, the Doctor and Jo Grant's curiosity is piqued by a recent spate of disappearing ships. Investigating a nearby sea fort, they encounter a ferocious amphibian creature - the cousin of a reptile race whom the...

All is not well at the Wenley Moor underground atomic research station: there are unaccountable losses of power-output; nervous breakdowns amongst the staff; and then - a death! UNIT is called in, and the Brigadier is soon joined by Doctor Who and Liz Shaw in a tense and exciting adventure with...

'The planet is ours. It always has been!' On Wenley Moor in Derbyshire, a nuclear energy research centre is suffering mysterious power losses and a series of staff breakdowns. Investigating on behalf of UNIT, Brigadier Lethbridge -Stewart calls the Doctor in to help, assisted by the scientist...