The TARDIS lands on the peaceful planet of Dulkis. There, the Doctor, Jamie and Zoe discover that the ruthless Dominators have arrived and are enslaving the inhabitants with their deadly robots, the Quarks.The Doctor and his crew must prevent the destruction of the planet and help the Dulcians fight back.

The Doctor and Jamie are taken captive by the Dominators and subjected to intelligence tests. Zoe heads to the Dulcian capital to request help, but the pacifist Dulcians are reluctant to act.

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.

The Doctor activates an emergency unit on board the TARDIS to escape destruction by a volcanic eruption. Unfortunately, it moves them out of normal space and time to a deadly world where fantasy rules. The travellers find themselves lured out of the ship into a ghostly white void.

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. Searching for Professor Watkins at his last place of work, a multinational electronics supplier, he meets the company's managing director. He's not what he seems - and possesses alien technology in his office.

Alistair Gordon Lethbridge-Stewart, now a UN Brigadier, confirms to the Doctor that there is something suspicious occurring at International Electromatics. Zoe and Isobel's investigation places them in terrible danger, and Jamie tries to save them.

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, the United Nations Intelligence Taskforce. A UFO is delivering cocoons to the electronics firm – but what is inside them?

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 the Cybermen advancing on them from all sides in the sewers beneath London. The Doctor hurries to devise a protection from the Cybermen's hypnotic signal, as they set their sights on a paralysed London.

The Cybermen have immobilised the Earth's population with a hypnotic signal. Their fleet arrives and they invade in force. The Doctor desperately attempts to persuade Vaughn to help him resist the invaders.

The Cybermen have launched their deadly megatron bomb which will destroy all life on Earth, unless the Doctor can deactivate the homing signal.

The TARDIS lands on the planet of the Gonds, a primitive and enslaved people. Every year, two of the finest Gond students are sent to be 'companions' of the mysterious and unseen Krotons. But the Doctor reveals that only death awaits them.

Zoe and the Doctor submit themselves to the Krotons' IQ tests and are selected to enter the Dynatrope, the Krotons' ship. There they watch as the crystalline Krotons are brought back to life.

The Doctor and Zoe are pursued by a Kroton as they attempt to return to the TARDIS. The Gonds prepare to destroy the Krotons' ship, but Jamie is still held prisoner inside.

The Krotons are preparing to leave the planet and demand that the Gonds hand over the Doctor and Zoe, so that their mental energy can be drained.

The TARDIS arrives on 21st Century Earth where all long-distance journeys are made instantaneously by T-Mat. But aliens have invaded the T-Mat relay station on the Moon, and they're about to cause havoc.

With the commerce of the world grinding to a halt, the Doctor, Jamie and Zoe agree to investigate. They set off for the T-Mat Relay Station on the Moon in Professor Eldred's old-fashioned rocket.

On the Moon, the Doctor is captured by the Ice Warriors as he spacewalks to the T-Mat relay station. He learns that they intend to use T-Mat to spread a deadly fungus across the world.

The Ice Warriors' seed pods beginning materialising all over the globe while Slaar decides to kill the Doctor by T-matting him into space.

An Ice Warrior invasion fleet is on its way to the Moon. Meanwhile, the Doctor, Zoe & Jamie return to Earth by T-Mat, where the Doctor discovers there is only one way to destroy the fungal pods.

Returning to the Moonbase, the Doctor confronts Slaar and the remaining Ice Warriors and must find a way of deflecting the invasion fleet that is heading towards them.

General Hermack suspects Milo Clancey of being in league with the pirates. Trapped inside a segment of the beacon, the air supply is running out for the Doctor, Jamie and Zoe.

The TARDIS lands in what appears to be the front-line trenches at the height of battle in war-torn France, right in the middle of World War I. Everyone they meet are convinced that the crew are spying and it doesn't take long for the crew to be on the run, but not before breaking the hypnotic conditioning of Carstairs and Lady Jennifer. Having escaped one war-zone they find themselves in another - Roman occupied Britain of some 2,000 years ago, then on to the American Civil War. The situation worstens when the Doctor suspects one of his own people, a Time Lord, to be behind the War Games working for a race of aliens trying to run the wars to their conclusions under controlled conditions to find a super-army or fighters. The Doctor is faced with an impossible situation - not only does the War Lords' control over hundreds of thousands of fighters need to be removed, but the soldiers have to be returned to their natural habitats. He conceeds defeat at the task, knowing that the TARDIS is

Finding evidence of alien technology in Smythe's office, the Doctor, Jamie and Zoe make their escape in Lady Jennifer's ambulance, but Smythe gives orders to have them killed.

The Doctor discovers that they are on an alien planet divided into different time zones where human soldiers fight never ending wars. Vintage sci fi taking us on adventures in time and space, reflecting the broadcast standards and attitudes of its time.

The Doctor and Zoe penetrate the Aliens' HQ from where the war games are controlled. Carstairs is reconditioned and exposes the Doctor and Zoe as German spies. Vintage sci-fi taking us on adventures in time and space, reflecting the broadcast standards and attitudes of its time.

In the American Civil War zone, Jamie and Lady Jennifer join forces with resistance fighters from various time zones and prepare to launch an attack on Central Control.

The Doctor sends Zoe to the war zones to assemble a resistance force. The Doctor remains in Central Control to steal the processing machine, but the War Chief is one step ahead.

The Doctor, Jamie and Carstairs have escaped back to the 1917 war zone, but General Smythe is waiting for them and opens fire on them with a machine gun.

The Doctor is captured by the War Chief, who belongs to the same race of people as the Doctor, and offers an alliance. In the 1917 zone, fighters prepare to attack Central Control.

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.