TARDIS brings the new Doctor, Polly and Ben to the planet Vulcan. The Doctor witnesses a murder and, investigating the body, discovers a pass badge allowing him unrestricted access to the colony.

Posing as an Examiner from Earth, the Doctor warns the scientist, Lesterson about the dire consequences of reactivating the dormant Daleks.

Polly is taken prisoner by the rebels who intend to use the Daleks to take control of the colony. The Doctor discovers that all three Daleks have now been reactivated.

Lesterson is driven insane when he discovers that the Daleks are reproducing themselves, and are preparing to seize control of the colony.

Bragen leads the rebellion and takes control of the colony, killing Governor Hensell. But the Daleks are also ready to make their final move.

As a battle rages between the rebels and the loyal colonists, the Daleks begin their attack. The only chance of survival for the colony rests with the Doctor.

The Doctor meet Professor Parry and his archaeologists on the planet Telos. The expedition is there to unearth the remains of Cybermen who died out long ago. Or did they?

Professor Parry and his team begin to unlock the secrets of the Cybermen’s tomb. But there are some amongst the explorers who have a dark agenda of their own.

The tombs are revealed to be a trap. The Cybermen have risen from their centuries long hibernation and are intent on converting the humans into a new race of Cybermen.

The Cyber Controller has been revitalised after leaving the icy tomb, threatening to overpower his human foes. The Doctor is determined to return the Cybermen to their long sleep.

The Doctor meet Professor Parry and his archaeologists on the planet Telos. The expedition is there to unearth the remains of Cybermen who died out long ago. Or did they?

Arriving on an Australian beach in the future, the Doctor is mistaken for political leader Salamander, which Giles Kent plans to use to infiltrate a research centre.

Jamie and Victoria travel to Europe where they infiltrate Salamander’s staff. Salamander plots to take control of the Central European Zone by discrediting its leader, Denes.

Jamie and Victoria befriend Fariah, intent on discovering the truth about Salamander...

Kent coerces the Doctor into agreeing to impersonate Salamander, no matter what the peril.

Impersonating Salamander, the Doctor infiltrates the research centre, but Benik becomes suspicious. Underground, Salamander’s deception is discovered.

Astrid discovers the underground bunker and Salamander’s secret. On the surface, Giles Kent reveals his true colours.

The TARDIS lands in the London Underground which is deserted. Jamie and Victoria are captured by the military. The Doctor is amazed to discover that Yetis are in the tunnels.

The deadly web continues to advance in the tunnels of the Underground. Professor Travers realises that the Doctor is the only man who can help bring an end to the Yeti menace.

(sd) The Doctor meets Colonel Lethbridge-Stewart who takes control of the military operation against the Yeti. But the Doctor suspects that there is a traitor in their midst.

The Doctor acquires a sample of the web, but when he, Jamie and Victoria return to the HQ to examine it, they discover that Professor Travers has been abducted by the Yeti!

Using Travers's body, the Great Intelligence demands that the Doctor allows his mind to be drained. Victoria is taken hostage and the Doctor has just 20 minutes to decide her fate.

The HQ is destroyed by the web and everyone is captured by Yetis. The traitor is revealed and all seems lost as the Doctor submits himself to the Great Intelligence's mind drain.

The Doctor and Jamie are forced to abandon the TARDIS when the mercury fluid link breaks.

The Doctor and Jamie are rescued and taken aboard the Wheel but Jamie sabotages the laser.

Cybermats eat the Wheel's bernalium supply, forcing the crew to board the Silver Carrier.

The station is in danger of being destroyed by the approaching meteor storm.

The Cybermen reveal their plans to invade Earth, using the Wheel as a guiding beacon.

The Doctor and the crew of the Wheel battle against the invading Cybermen.

The TARDIS lands on the peaceful planet of Dulkis. There they discover that the ruthless Dominators have arrived and are enslaving the inhabitants with their deadly robot Quarks.

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.

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 their destruction, the Doctor removes the TARDIS from normal space and time where 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 all captured by the White Robots in the Citadel, where the Master of the Land of Fiction 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 and the travellers agree to help find Professor Watkins.

The Brigadier confirms there is something suspicious about International Electromatics.

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, the Doctor requests help from UNIT. But what's in the cocoon?

The Cybermen are planning to immobilise Earth's population and Vaughn is helping them.

UNIT, Zoe, Jamie and Isobel must confront Cybermen in the sewers beneath London.

The world's population is unconscious and the Cybermen invade London in force.

The Cybermen launch their deadly megatron bomb which will destroy all life on Earth.

The TARDIS lands on the planet of the Gonds where every year two students are sent to be companions of the mysterious Krotons. But the Doctor reveals that only death awaits them.

Zoe and the Doctor submit themselves to the Krotons’ tests and are selected to enter the Dynatrope. 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.

With the commerce of the world grinding to a halt, the Doctor, Jamie and Zoe agree to investigate and set off for the Moon in an old fashioned rocket.

On the Moon, the Doctor is captured by the Ice Warriors and learns that they intend to use T-Mat to spread a deadly fungus across the world.

As the Martian fungus begins to spread, Zoe, Jamie and Gia Kelly attempt to strike back against Slaar and his occupying force of Ice Warriors.

An Ice Warrior invasion fleet is on its way to the Moon. Back on Earth, the Doctor devises a plan to destroy the Martian fungus.

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.

The TARDIS arrives in no man's land during World War I. Rescued from the Germans, the travellers are put on trial by the British General Smythe who is not all he seems.

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.

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.

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.