Seasons & episodes
S7 · E20Inferno (2) 1970-05-16 · 25 min
Strange deaths, men changing into monsters, hot green slime pouring out of the waste pipes – but Professor Stahlman is determined to press ahead with the Inferno project no matter what the cost!
S7 · E21Inferno (3) 1970-05-23 · 25 min
The Doctor has vanished from the Inferno project… or has he? He finds himself in the same place, but everyone has changed… and the drilling is closer to its deadly conclusion.
S7 · E22Inferno (4) 1970-05-30 · 25 min
In a parallel England, the Doctor tries desperately to convince his captors of the immense peril they are in. But they are convinced he is a spy. And penetration zero is getting close…
S7 · E23Inferno (5) 1970-06-06 · 25 min
The parallel Inferno has broken through the Earth's crust, unleashing terrible seismic forces and dooming the planet. The Doctor hopes to return and save his world. But the bestial primords are closing in...
S7 · E24Inferno (6) 1970-06-13 · 25 min
The Doctor is trapped in a parallel world that is going up in flames. Can he escape in time to save Earth in his own universe?
S7 · E25Inferno (7) 1970-06-20 · 25 min
The Doctor has escaped the catastrophic destruction of a parallel world. But can he stop Stahlman before he destroys this one?
S8 · E1Terror of the Autons (1) 1971-01-02 · 25 min
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 rival the Master is responsible.
S8 · E2Terror of the Autons (2) 1971-01-09 · 25 min
Attempting to find out where Jo encountered the Master, the Doctor heads to the circus where he falls foul of Rossini.
S8 · E3Terror of the Autons (3) 1971-01-16 · 25 min
The Doctor and the Brigadier head to Farrel's factory but the Master and the Autons have already left and are distributing plastic daffodils around the country.
S8 · E4Terror of the Autons (4) 1971-01-23 · 25 min
The Doctor discovers the plastic daffodils are designed to fire a spray that asphyxiates people, causing havoc prior to the Nestene's arrival, but before he can alert anyone he and Jo are captured by the Master.
S8 · E5The Mind of Evil (1) 1971-01-30 · 25 min
The Doctor and Jo head to Stangmoor Prison to investigate the Keller Machine, which drains the evil impulses from prisoners' minds, while UNIT are handling security at the first world peace conference.
S8 · E6The Mind of Evil (2) 1971-02-06 · 25 min
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.
S8 · E7The Mind of Evil (3) 1971-02-13 · 25 min
Realising Chin-Lee has been using the power of the Keller Machine to carry out assassinations, the Doctor heads back to Stangmoor, only to find the Master has teamed up with Mailer to stage another riot.
S8 · E8The Mind of Evil (4) 1971-02-20 · 25 min
With the Doctor and Jo being held prisoner, the Master convinces Mailer to help him steal the Thunderbolt.
S8 · E9The Mind of Evil (5) 1971-02-27 · 25 min
The Doctor is forced to help the Master control the mind parasite while Yates finds out where the Thunderbolt has been taken only to be captured by the Master's men.
S8 · E10The Mind of Evil (6) 1971-03-06 · 25 min
The Brigadier has recaptured Stangmoor but the Master still has control of the Thunderbolt and the Doctor must find a way to stop him and destroy the Keller Machine.
S8 · E11The Claws of Axos (1) 1971-03-13 · 25 min
When a mysterious object lands near the Nuton power complex, UNIT investigate and encounter the Axons, a group of aliens who offer the mineral axonite, which can duplicate matter, as a gift.
S8 · E12The Claws of Axos (2) 1971-03-20 · 25 min
The Doctor and Winser begin to analyse axonite while Chinn plots to secure its use exclusively for Britain.
S8 · E13The Claws of Axos (3) 1971-03-27 · 25 min
The Doctor and Jo are being held prisoner by Axos while Chinn is forced to organise the worldwide distribution of axonite and the Master returns to the power complex to try and steal the TARDIS.
S8 · E14The Claws of Axos (4) 1971-04-03 · 25 min
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.
S8 · E15Colony in Space (1) 1971-04-10 · 25 min
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 mining company are using a dinosaur-like creature to force the colonists to leave the planet.
S8 · E16Colony in Space (2) 1971-04-17 · 25 min
The Doctor discovers an Interplanetary Mining Corporation ship has landed on the planet in order to mine its duralinium, while Norton begins causing trouble at the colony.
S8 · E17Colony in Space (3) 1971-04-24 · 25 min
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.
S8 · E18Colony in Space (4) 1971-05-01 · 25 min
The Doctor descends into the Primitive city to try and find Jo while the colonists receive a visit from the Adjudicator.