January 2, 1971 • 25m
When a Nestene Energy Unit is stolen and a radio telescope sabotaged, the Doctor is contacted by a Time Lord who tells him his old...Read more
January 9, 1971 • 25m
Attempting to find out where Jo encountered the Master, the Doctor heads to the circus where he falls foul of Rossini.
January 16, 1971 • 25m
The Doctor and the Brigadier head to Farrel's factory but the Master and the Autons have already left and are distributing plastic...Read more
January 23, 1971 • 25m
The Doctor discovers the plastic daffodils are designed to fire a spray that asphyxiates people, causing havoc prior to the Nesten...Read more
January 30, 1971 • 25m
The Doctor and Jo head to Stangmoor Prison to investigate the Keller Machine, which drains the evil impulses from prisoners' minds...Read more
February 6, 1971 • 25m
The Doctor is recalled by UNIT to help investigate Cheng-Tiek's murder but is unaware that Chin-Lee is under the control of the Master.
February 13, 1971 • 25m
Realising Chin-Lee has been using the power of the Keller Machine to carry out assassinations, the Doctor heads back to Stangmoor,...Read more
February 20, 1971 • 25m
With the Doctor and Jo being held prisoner, the Master convinces Mailer to help him steal the Thunderbolt.
February 27, 1971 • 25m
The Doctor is forced to help the Master control the mind parasite while Yates finds out where the Thunderbolt has been taken only ...Read more
March 6, 1971 • 25m
The Brigadier has recaptured Stangmoor but the Master still has control of the Thunderbolt and the Doctor must find a way to stop ...Read more
March 13, 1971 • 25m
When a mysterious object lands near the Nuton power complex, UNIT investigate and encounter the Axons, a group of aliens who offer...Read more
March 20, 1971 • 25m
The Doctor and Winser begin to analyse axonite while Chinn plots to secure its use exclusively for Britain.
March 27, 1971 • 25m
The Doctor and Jo are being held prisoner by Axos while Chinn is forced to organise the worldwide distribution of axonite and the ...Read more
April 3, 1971 • 25m
The Doctor and Jo escape from Axos but then the Doctor offers the Master a deal; if he helps him repair the TARDIS, they can flee Earth together.
April 10, 1971 • 25m
The Time Lords take control of the TARDIS and the Doctor and Jo arrive on an Earth Colony in the 25th century, where a ruthless mi...Read more
April 17, 1971 • 25m
The Doctor discovers an Interplanetary Mining Corporation ship has landed on the planet in order to mine its duralinium, while Nor...Read more
April 24, 1971 • 25m
The Doctor makes it back to the colony and warns Ashe what Dent is up to but when Jo and Winton try to find proof they are captured.
May 1, 1971 • 25m
The Doctor descends into the Primitive city to try and find Jo while the colonists receive a visit from the Adjudicator.
May 8, 1971 • 25m
The Master offers to help the colonists in exchange for information on the Primitive city and forces the Doctor to act as a guide ...Read more
May 15, 1971 • 25m
The Doctor and the Master are taken into the Primitive city, where the Master hopes to find the doomsday weapon, while Dent forces...Read more
May 22, 1971 • 25m
Earth, the near future. When an archaological dig at the village of Devil's End goes disastrously wrong, an ancient power begins t...Read more
May 29, 1971 • 25m
With the Doctor frozen by the energy release from the barrow, Jo calls Yates and Benton for help, but when the Brigadier tries to ...Read more
June 5, 1971 • 25m
The Doctor explains to his friends that the Master is trying to gain the power of the last of the Daemons, a race who influenced E...Read more
June 12, 1971 • 25m
The Master orders Bert to set a trap for the Doctor at the village while a concussed Jo makes for the cavern.
June 19, 1971 • 25m
The Master decides to sacrifice Jo to Azal and when the Doctor and his friends try to intervene they come under attack from Bok.