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.
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.
The Doctor hatches a plan to intercept the Dominators' atomic seed pod as it is dropped into the planet's core.
To escape their destruction, the Doctor removes the TARDIS from normal space and time.
Arriving in the Land of Fiction, the Doctor searches for his companions in a forest of words.
With the help of Rapunzel, Jamie escapes from a clockwork soldier into the citadel where he makes a discovery.
The Doctor, Jamie and Zoe are all captured by the White Robots in the Citadel.
The Doctor engages in a battle with the Master, both summoning characters from fiction to fight each other.
The TARDIS lands in London where the Doctor, Jamie and Zoe agree to help find Isobel Watkins' missing uncle.
Brigadier Lethbridge-Stewart confirms that there is something suspicious occurring at International Electromatics.
The Doctor and Jamie are taken prisoner by Tobias Vaughn who denies abducting Zoe and Isobel.
Trapped by Vaughn's men at International Electromatics, the Doctor requests help from the Brigadier and UNIT.
The Doctor discovers that the Cybermen are planning to immobilise Earth's population.
Zoe, Jamie and Isobel confront Cybermen in the sewers beneath London.
The world's population is unconscious and the Cybermen invade in force.
The Cybermen have launched their deadly megatron bomb which will destroy all life on Earth.
On the planet of the Gonds, every year, two students are sent to the mysterious Krotons.
Zoe and the Doctor submit themselves to the Krotons’ tests and are selected to enter the Dynatrope.
The Doctor and Zoe are pursued by a Kroton as they attempt to return to the TARDIS.
The Krotons 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.
The Doctor, Jamie and Zoe agree to investigate and set off for the Moon in an old fashioned rocket.
The Ice Warriors 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 the Ice Warriors.
An Ice Warrior invasion fleet is on its way to the Moon. The Doctor devises a plan to destroy the Martian fungus.
Returning to the Moonbase, the Doctor confronts Slaar and the remaining Ice Warriors.
Mistaken for pirates, the travellers are attacked by Space Corps soldiers. Then the real space pirates arrive.
Trapped inside a segment of the beacon, the air supply is running out for the Doctor, Jamie and Zoe.
The Doctor, Jamie and Zoe join Clancey aboard his ship which is being pursued.
In the tunnels beneath Ta, the Doctor, Jamie and Zoe are rescued from their cell by Milo Clancey.
The space pirate leader, Caven, has taken the Doctor, Jamie, Zoe and Clancey captive.
Caven switches off the oxygen supply, then makes his getaway as the Doctor races to defuse a bomb.
Rescued from the Germans, the travellers are put on trial by the British General Smythe who is not all he seems.
The Doctor, Jamie and Zoe find evidence of alien technology in Smythe's office.
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
In the American Civil War zone, Jamie and Lady Jennifer join forces with resistance fighters.
The Doctor sends Zoe to the war zones to assemble a resistance force.
General Smythe is waiting for the Doctor and Jamie, 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, and offers an alliance.
The rebels seize control of the aliens' HQ but the Doctor is forced to send a call for help to his own people.
After a sad farewell to Jamie and Zoe, the Doctor is put on trial by the Time Lords for breaking their ancient laws.