To stop Samantha from boarding the Chameleon Tours flight, Jamie takes her place. An RAF fighter follows the Chameleon plane but it is shot down whilst the plane heads into space!
The Doctor fears for the safety of Jamie who is a prisoner of the Chameleons in their space station. The Doctor smuggles himself aboard the next Chameleon Tours flight.
The missing Polly appears but claims not to know the Doctor or Jamie, then Ben disappears. All clues point to Chameleon Tours, but nobody believes the Doctor's story.
On the Chameleon space station, the Doctor faces the Chameleon's Director who announces his plans to abduct 50,000 humans.
The TARDIS has been stolen and the Doctor and Jamie follow the clues which lead to an appointment at a mysterious antique shop.
Jamie is exploring Maxtible's house, but unknown to him, the Doctor has been forced by the Daleks to subject his companion to a series of tests.
The Doctor demonstrates the strength of the human factor to the Daleks as Jamie and his new friend, Kemel attempt to rescue Victoria Waterfield.
The tests on Jamie are complete, but Victoria is still a captive of the Daleks and Jamie suspects that the Doctor has surrendered to his arch-enemies.
The Doctor and Jamie are taken by the Daleks to Skaro where the Dalek Emperor confronts them. The Doctor has made a terrible mistake and the Daleks have won.
The human factor is spreading through the Dalek city and Dalek fights Dalek in a civil war. The Doctor and his friends are caught in the crossfire. Not all will survive the battle.
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.
Ben and Polly suspect that the 'new' Doctor is really an imposter. The TARDIS lands on the planet Vulcan where a murder has been committed.
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.
The travellers arrive in Scotland in the aftermath of the Battle of Culloden. Taken prisoner by the Redcoats, the Doctor and Ben are to be sent to the West Indies as slaves. Show more
Posing as a German physician, the Doctor manages to escape. But by the time he is able to return to rescue Ben and his friends, they have already been taken aboard the ship. Show more
The Doctor is reunited with Polly and Kirsty and together the hatch a plan to rescue their friends from the Annabelle. Meanwhile, Ben is sentenced to walk the plank. Show more
25 minutesFirst broadcast:
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The Doctor and Jamie have been transported back in time one hundred years. There, in the home of inventor Theodore Maxtible, the Doctor encounters the Daleks.