Ian and Barbara are accidentally taken into Smithers’ laboratory and, while the Doctor and Susan face a hazardous journey to reach them, they witness the deadly effects of DN6 first…

An accident in flight leads to the TARDIS and the travellers being miniaturised. Now only an inch high, the Doctor, Barbara, Ian and Susan explore an English country garden.

Ian finally delivers his message to James Stirling but in order to secure Susan’s release he and Barbara are forced into a dangerous spying mission.

The Doctor is forced into a meeting with Robespierre while Barbara’s attempts to find a physician for Susan result in them being betrayed.

Susan and Barbara are rescued by Jules and Jean, two members of the escape chain, while the Doctor gains access to the prison by posing as a revolution official.

Ian finds himself held prisoner by the treacherous Leon while the Doctor attempts to engineer Susan and Barbara’s escape.

The TARDIS lands during the French Revolution, where Ian, Barbara, and Susan become caught up in the politics of the day. When they are arrested and set to be executed,…

With Ian having fallen victim to the Sensorites’ plague, the Doctor is desperate to find a cure. But the City Administrator is still determined to rid his world of aliens.

Susan, Ian and Barbara are sentenced to be guillotined but an encounter with a dying English prisoner may offer Ian a chance of survival.

The City Administrator is determined to destroy the Doctor and his friends and his paranoia prevents the Doctor’s cure from being distributed.

While the City Administrator’s schemes reach their climax, the Doctor and Ian venture into the tunnels under the city to discover the real cause of the Sensorite plague.

The Doctor and his companions are on board an Earth ship trapped in orbit around the Sense-Sphere when it is boarded by the Sensorites, who steal the lock mechanism from…

The 28th century. The TARDIS materialises on a spaceship orbiting a planet known as the Sense-Sphere, whose natives, the Sensorites, have trapped the ship’s human crew in a state of…

Tlotoxl’s machinations result in both Susan and Ian being arrested. With the TARDIS once again trapped inside the tomb, the travellers’ only hope for escape lies with Autloc and Cameca.

While the Doctor tries to find a way back to the TARDIS, Tlotoxl continues to plot Barbara’s downfall and sees an opening when Susan questions Aztec custom.

The Doctor and his companions are escorted to the Sense-Sphere where they attempt to negotiate with the Sensorites for the release of the TARDIS.

The Doctor and his friends must locate the real murderers and the fourth key before heading off for a final confrontation with the Voord

Barbara tries to change the course of history – and Ian fights for his life.

The group are reunited with the Doctor in the city of Millennius where Ian faces trial for murder after the fourth key is stolen.

The TARDIS arrives on Earth landing in 16th century Aztec society. Barbara goes off exploring – despite the Doctor’s orders not to wander off – and is taken away by…

Searching for the third key, Ian and Barbara meet with the sinister trapper Vasor before following Susan and the others into a cave system guarded by the mysterious Ice Soldiers.

The Doctor and his friends arrive in the apparently idyllic city of Morphoton but Barbara soon begins to realise there is more to their hosts than meets the eye.

Tegana finally makes his move to assassinate the Khan, giving the Doctor and his friends an opportunity to thwart his plans and regain the TARDIS.

The Doctor, Ian and Barbara are forced to surrender to Tegana and Marco, leaving both of them the opportunity to gain possession of the TARDIS.

The alien world of Marinus. Perfect peace has reigned here for decades due to the mind-controlling influence of a machine known as the Conscience. But now a race known as…

The search for the second key takes the travellers to a jungle where Ian and Barbara come under threat from rapidly growing plants.

The Doctor and his friends elect to warn Marco of Acomat’s attack even though it means losing their chance to gain access to the TARDIS.

The TARDIS is adrift, the crew turning on each other. Only by working together can they find their way out before they are destroyed.

The TARDIS experiences a total power failure and is stranded in the Himalayas in the 13th century. The travellers are forced to join the caravan of the famous explorer, Marco…

The Doctor’s group manage to rescue Barbara from the Mongols but once more Marco remains unaware of Tegana’s involvement.

The Doctor and Susan are able to supply Marco with condensation that has formed inside the TARDIS, saving the group from dying of thirst. When the group are reunited with…

Tegana sabotages the party’s water bags, leaving them in dire need of fresh supplies.

A mysterious explosion has knocked the TARDIS into void. And in their confusion, the crew are turning on one another.

Time is running out as the Doctor and his companions try to defeat the Daleks before they wipe out all life on Skaro.

The time travellers work desperately to both escape the Dalek city and prevent a bloody massacre.

Ian, Barbara and the Thals struggle through the caves to reach the Dalek city. Will they get there in time? Is there even a way through the treacherous caves? And…

The time travellers have escaped from the Daleks, but left a vital piece of the TARDIS behind. Getting it back will mean pushing the Thals to mount a dangerous operation.

Prisoners of the earliest humans, the TARDIS crew are caught in a deadly power play for leadership of the tribe.

The dead planet is not uninhabited after all. The Doctor is about to meet what will become his greatest enemies. And he and his crew are dying of radiation sickness.

The TARDIS crew must make fire for the early humans to stay alive. But once they do, they may not be allowed to leave!