Season 4

September 24, 1966

Polly and Ben are placed in the custody of Blake, who reveals he also has his suspicions about the Squire, while the Doctor and Kewper are forced to team up to escape from Pike's ship.

October 1, 1966

The Doctor and his friends are at the mercy of Cherub, who is now seeking Avery's treasure for himself, while Pike prepares to attack the village.

October 8, 1966

In 1986 a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.

October 15, 1966

The Doctor's warnings are ignored and the Cybermen take over the base, hampering the crew's efforts to help Zeus IV.

October 22, 1966

With the Doctor out of action, it is up to Polly, Ben and Barclay to stop Cutler using the Z-Bomb and devastating half the world.

October 29, 1966

The Cybermen take over the base again, apparently to stop the humans using the Z-Bomb, but then the Doctor realises they intend to use it themselves to destroy Earth.

November 5, 1966

The TARDIS arrives on the Earth colony of Vulcan where the newly-regenerated Doctor assumes the identity of an Earth Examiner.

November 12, 1966

While the Doctor worries about the inert Daleks in the capsules, Lesterson makes plan to reactivate one of them.

November 19, 1966

The Doctor fails to convince the colonists of the danger posed by the Daleks and soon the other two are also reactivated.

November 26, 1966

With Polly being held prisoner by the rebels, the Doctor and Ben decide to investigate them, while Lesterson discovers the Daleks are reproducing.

December 3, 1966

The Doctor and Quinn attempt to escape in order to stop Bragen using the Daleks to take over the colony.

December 10, 1966

With Bragen having taken over, the Daleks trick the rebels into turning them loose and only the Doctor can stop them wiping out the entire colony.

December 17, 1966

The Doctor, Polly and Ben arrive in 1746, in the aftermath of the Battle of Culloden, and are captured by a group of Highlanders shortly before they themselves are captured by redcoats.

December 24, 1966

Polly and Kirsty capture Lieutenant Ffinch to try and enlist his help while the Doctor tricks Grey in order to escape.

December 31, 1966

With the Highlanders imprisoned aboard Trask's ship, the Doctor attempts to expose Grey's plan.

January 7, 1967

Ben manages to join up with the Doctor, Polly and Kirsty and together they work to free the Highlanders from Trask's ship before Grey sells them into slavery.

January 14, 1967

The TARDIS materialises on a deserted beach where the Doctor and his friends are captured by primitive warriors and taken to the fabled city of Atlantis.

January 21, 1967

While Ara tries to save Polly from being turned into a Fish Person and Ben and Jamie try to escape from the mines, the Doctor discovers the full extent of Zaroff's plans.

January 28, 1967

The Doctor and Ramo are sentenced to be sacrificed to the goddess Amdo and must escape to put a stop to Zaroff's plan.

February 4, 1967

With Zaroff's plan nearing completion, the Doctor and Ben realise the only way to save the world is to destroy Atlantis.

February 11, 1967

The TARDIS arrives on the Moon in the year 2070.When Jamie is injured, the other travellers are forced to seek the help of a moonbase afflicted with a space plague.

February 18, 1967

The Doctor and his friends attempt to convince the Moonbase crew that the Cybermen are responsible for the disappearances and find a cure for the plague.

February 25, 1967

The Cybermen take over the Moonbase and begin using the Gravitron to attack Earth but Polly, Ben and Jamie come up with a way to fight back.

March 4, 1967

With the Cybermen preparing to launch a full attack, the Doctor and his friends must keep the Moonbase and the Gravitron out of their hands until help arrives from Earth.

March 11, 1967

The TARDIS arrives at a holiday camp company with the crew worried by a prediction of giant crabs and the Doctor becomes interested in the apparent madman Medok's stories of creatures that roam the colony at night.

March 18, 1967

The Doctor is unable to convince the colonists that the Macra exist and an attempt to brainwash his companions results in Ben betraying his friends.

March 25, 1967

The Doctor, Polly and Jamie are sentenced to work in the pits and an escape attempt sees Ben's loyalties called into question again.

April 1, 1967

The Doctor and Polly manage to save Jamie from the Macra and then try to show the Pilot who is really in charge of the colony.

April 8, 1967

The TARDIS materialises on the runway of Gatwick Airport, where Polly witnesses a murder only to be kidnapped before she can report it.

April 15, 1967

With Polly having apparently forgotten them, the Doctor, Ben and Jamie decide to carry out their own investigation of Chameleon Tours.

April 22, 1967

The Doctor, Jamie and Sam manage to convince Crossland to trust them and he persuades the Commandant to let them continue their investigation.

April 29, 1967

When Spencer attempts to kill them, the Doctor, Jamie and Sam become convinced Chameleon Tours are hiding something and Sam decides to book a ticket on one of their flights.

May 6, 1967

Jamie finds himself aboard the Chameleons' satellite and meets their Director while the Doctor forces the Chameleon Meadows to tell him the aliens' plans.

May 13, 1967

The Doctor and Pinto are captured by the Chameleons but the Doctor manages to use their dependence on their human originals to create dissent in their ranks.

May 20, 1967

Trying to find the stolen TARDIS, the Second Doctor and Jamie are lured into a trap by the Doctor's old enemies the Daleks.

May 27, 1967

The Doctor and Jamie investigate Waterfield's antiques shop, where they are knocked unconscious and transported back to the 19th century.

June 3, 1967

As part of the Daleks' experiment, the Doctor manipulates Jamie into attempting to rescue Victoria.

June 10, 1967

Jamie and Kemel team up to try and find Victoria, while the Doctor and the Daleks continue to monitor their progress.

June 17, 1967

With the experiment at an end, the Doctor begins to suspect the key to rescuing Jamie, Victoria and Kemel from the Daleks lies with Terrall.

June 24, 1967

The Doctor, Jamie and Waterfield follow the Daleks to Skaro, where they discover an unforeseen consequence to their experiment.

July 1, 1967

The Daleks are poised to spread the Dalek Factor throughout the history of Earth and begin by implanting the Doctor.