The TARDIS lands on the peaceful planet of Dulkis. There, the Doctor finds the ruthless Dominators have arrived and are enslaving the inhabitants with their deadly robot Quarks. Show more
The Doctor and Jamie are taken captive by the Dominators and subjected to tests. Zoe heads to the Dulcian capital to request help, but the pacifist Dulcians are reluctant to act. Show more
The rebels seize control of the aliens' HQ but the Doctor is forced to send a call for help to his own people, the Time Lords.
The war games are over and after a sad farewell to Jamie and Zoe, the Doctor is put on trial by the Time Lords for breaking their ancient laws.
Zoe and the Dulcians are captured by the Quarks and set to work. Unable to convince the Dulcian council of the Dominator threat, the Doctor returns to the island to rescue Zoe.
Jamie and Cully fight back against the Quarks but Dominator Toba threatens the lives of his prisoners if they do not identify the culprits.
The Doctor hatches a plan to intercept the Dominators' atomic seed pod as it is dropped into the planet's core. If he fails, the whole of Dulkis will be destroyed.
To escape destruction by a volcano, the Doctor removes the TARDIS from normal space and time. The travellers find themselves lured out of the ship, into a ghostly white void. Show more
Arriving in the Land of Fiction, the Doctor searches for his companions in a forest of words. Clockwork soldiers are on the prowl and fictional characters come to life.
With the help of Rapunzel, Jamie escapes from a clockwork soldier into the citadel where he makes a discovery. The Doctor and Zoe are confronted by the mythological minotaur.
The Doctor, Jamie and Zoe are captured by the White Robots in the Citadel and are taken to meet the Master of the Land of Fiction who has a proposition for the Doctor.
The Doctor engages in a battle with the Master, both summoning characters from fiction to fight each other. If the Doctor loses, he will be trapped in the Land of Fiction forever.
The TARDIS lands in London where the Doctor, Jamie and Zoe agree to help find Isobel Watkins' missing uncle. Show more
Brigadier Lethbridge-Stewart confirms that there is something suspicious occurring at International Electromatics. Zoe and Isobel's investigation places them in terrible danger. Show more
The Doctor and Jamie are taken prisoner by Tobias Vaughn who denies abducting Zoe and Isobel. The Doctor suspects that there may be an even greater threat behind Vaughn.
Trapped by Vaughn's men at International Electromatics, the Doctor requests help from the Brigadier and UNIT. A UFO is delivering cocoons to IE – but what is inside them? Show more
The Doctor discovers that the Cybermen are planning to immobilise Earth's population by transmitting a hypnotic signal broadcast through International Electromatics products.
Zoe, Jamie and Isobel confront Cybermen in the sewers beneath London. The Doctor hurries to devise a protection from the Cybermen's hypnotic signal. Show more
The world's population is unconscious and the Cybermen invade in force. The Doctor desperately attempts to persuade Vaughn to help him resist the invaders. Show more
The Cybermen have launched their deadly megatron bomb which will destroy all life on Earth unless the Doctor can deactivate the homing signal.