Seasons & episodes
26 seasons · 694 episodes
Episode 01
An Unearthly Child
After discussing a strange pupil, Susan Foreman, teachers Ian and Barbara follow her to a junkyard. They meet her grandfather, the Doctor, and force their way inside a police box with frightening results.
Episode 02
The Cave of Skulls
The enigmatic Doctor, wary that Ian and Barbara will reveal his secrets to the people of 20th-century Earth, takes them and his granddaughter Susan back to the dawn of human history. There, the four travellers are dragged into the savage politics of a tribe of cavemen who have lost the secret of making fire...
Episode 03
The Forest of Fear
Prisoners of the earliest humans, the TARDIS crew are caught in a deadly power play for leadership of the tribe.
Episode 04
The Firemaker
The TARDIS crew must make fire for the early humans to stay alive. But once they do, they may not be allowed to leave!
Episode 05
The Dead Planet
Time Unknown, Planet Unknown. The TARDIS lands in an eerie petrified forest overlooking a magnificent steel city. The Doctor wants to explore the city – but what's waiting there?
Episode 06
The Survivors
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.
Episode 07
The Escape
Imprisoned on Skaro by the scheming Daleks, the Doctor and his companions work to escape their clutches.
Episode 08
The Ambush
The time travellers work desperately to both escape the Dalek city and prevent a bloody massacre.
Episode 09
The Expedition
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.
Episode 10
The Ordeal
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 what are the Daleks planning?
Episode 11
The Rescue
Time is running out as the Doctor and his companions try to defeat the Daleks before they wipe out all life on Skaro.
Episode 12
The Edge of Destruction
A mysterious explosion has knocked the TARDIS into void. And in their confusion, the crew are turning on one another.
Episode 13
The Brink of Disaster
The TARDIS is adrift, the crew turning on each other. Only by working together can they find their way out before they are destroyed.
Episode 14
The Roof of the World
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 Polo, in order to survive -- but Polo, fascinated by their claims that the TARDIS can fly through the air, seizes it on behalf of Kublai Khan in the hope that presenting the Khan with such a fabulous gift will convince him to let Polo return home to Venice. The travellers are forced to accompany Polo on his long trek across Asia to the Khan's court, but their many attempts to reclaim their property are foiled -- not just by Polo, but by the war lord Tegana, who is apparently on a mission of peace but has entirely different plans for dealing with Kublai Khan...
Episode 15
The Singing Sands
Tegana sabotages the party's water bags, leaving them in dire need of fresh supplies.
Episode 16
Five Hundred Eyes
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, the travellers begin to suspect he is up to something.
Episode 17
The Wall of Lies
The Doctor's group manage to rescue Barbara from the Mongols but once more Marco remains unaware of Tegana's involvement.
Episode 18
Rider from Shang Tu
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.
Episode 19
Mighty Kublai Khan
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.
Episode 20
Assassin at Peking
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.
Episode 21
The Sea of Death
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 Voord have developed an immunity and Arbitan, keeper of the machine, has been forced to scatter the vital control keys around the planet. Now he needs the help of the time travellers to get them back - it will be an extraordinary journey, with perils every step of the way...
Episode 22
The Velvet Web
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.
Episode 23
The Screaming Jungle
The search for the second key takes the travellers to a jungle where Ian and Barbara come under threat from rapidly growing plants.
Episode 24
The Snows of Terror
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.
Episode 25
Sentence of Death
The group are reunited with the Doctor in the city of Millennius where Ian faces trial for murder after the fourth key is stolen.
Episode 26
The Keys of Marinus
The Doctor and his friends must locate the real murderers and the fourth key before heading off for a final confrontation with the Voord
Episode 27
The Temple of Evil
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 the high priest Autloc who believes she is the reincarnation of the goddess Yetaxa. They believe it is a sign that the rains - which are late - will now come. The high priest of sacrifice Tlotoxl recruits Ian to lead their army but he finds he has a rival in Ixta. Ian is less than comfortable with his role when he learns that they are to deliver the human sacrifice to the high priest at the rain ceremony. The Doctor emphasizes that they must not interfere with Aztec rituals, something that does not sit well with Barbara.
Episode 28
The Warriors of Death
Barbara tries to change the course of history - and Ian fights for his life.
Episode 29
The Bride of Sacrifice
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.
Episode 30
The Day of Darkness
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.
Episode 31
Strangers in Space
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 paralysis.
Episode 32
The Unwilling Warriors
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 TARDIS.
Episode 33
Hidden Danger
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.
Episode 34
A Race Against Death
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.
Episode 35
Kidnap
The City Administrator is determined to destroy the Doctor and his friends and his paranoia prevents the Doctor's cure from being distributed.
Episode 36
A Desperate Venture
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.
Episode 37
A Land of Fear
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, the Doctor must take on the disguise of a public official to try and save their lives.
Episode 38
Guests of Madame Guillotine
Susan, Ian and Barbara are sentenced to be guillotined but an encounter with a dying English prisoner may offer Ian a chance of survival.
Episode 39
A Change of Identity
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.
Episode 40
The Tyrant of France
The Doctor is forced into a meeting with Robespierre while Barbara's attempts to find a physician for Susan result in them being betrayed.
Episode 41
A Bargain of Necessity
Ian finds himself held prisoner by the treacherous Leon while the Doctor attempts to engineer Susan and Barbara's escape.
Episode 42
Prisoners of Conciergerie
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.
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