The Doctor's time-travelling machine is trapped in the flight-path of an alien spacecraft in orbit around the Earth. To avoid the fatal impact of a head-on collision the TARDIS resorts to the only escape possible and materialises on board the...
A twentieth anniversary special featuring the Doctor in all five of his regenerations.
Why are all five Doctors being removed from their separate time-streams? Who is the enemy they will have to unite against? What will become of the Doctors when...
When the Doctor returns to Gallifrey, he learns that his bio data extract has been stolen from the Time Lords' master computer known as the Matrix.
The bio data extract is a detailed description of the Doctor's molecular structure — and this...
Sabotage! The TARDIS is breaking up! Thanks to the combined efforts of the treacherous Turlough and his evil master, the Black Guardian, the Doctor and his companions are in terrible danger. The outside world has begun to break through and Nyssa has...
A group of palaeontologists have been savagely attacked while carrying out a study of fossilised dinosaur remains in an underground cave system on twenty–fifth century Earth. A party of troopers and Professor Kyle, the only survivor of the attack,...
Whilst trying to return Tegan to Heathrow Airport, the Doctor instead lands the TARDIS on a seemingly deserted alien spacecraft, just four days away from its final destination — Earth.
The TARDIS crew discover that the ship isn't as empty as it...
Still weak and confused after his fourth regeneration, the Doctor retreats to Castrovalva to recuperate.
But Castrovalva is not the haven of peace and tranquility the Doctor and his companions are seeking. Far from being able to rest quietly, the...
Zastor, Leader of the planet Tigella, rules a divided people. Savants and Deons are irrevocably opposed on one crucial issue - the Dodecahedron, mysterious source of all their power.
To the Savants the Dodecahedron is a miracle of science to be...
On a standard flight from New York to London, Concorde Golf Victor Foxtrot is nearing Heathrow Airport when its signal begins to break up. Before long all trace of the aircraft is lost - the Concorde has disappeared! Arriving at Heathrow shortly...
The Zarbi, huge ant-like creatures with metallic bodies and pincer claws, are waiting for Tardis [sic] when its police-box shape materializes on the cold and craggy planet Vortis. They capture Doctor Who, Ian and Vicki and take them to their weird...