Season 18 poster

Season 18

(1980)

Overview

The season featured a story arc involving E-Space and the return of the Master who had stolen a new body rather than regenerate. The stories were darker and more adult in tone than those during the Graham Williams era. They also attempted to emphasise science, much to the satisfaction of both script editor Christopher H. Bidmead and executive producer Barry Letts. Notably, this season revolves around the theme of entropy, linking together all of its stories in a rare phenomenon for the show (wh…

Cast

Tom Baker as The Doctor
Tom Baker

as The Doctor

Janet Fielding as Tegan Jovanka
Janet Fielding

as Tegan Jovanka

John Leeson as K9 (voice)
John Leeson

as K9 (voice)

Lalla Ward as Romana II
Lalla Ward

as Romana II

Episodes

The Leisure Hive (1) poster

The Leisure Hive (1) 6.3

August 30, 1980

The planet Argolis, around the year 2290. The Argolins live in a huge shielded city, protected from the irradiated wast…

The Leisure Hive (2) poster

The Leisure Hive (2) 6.0

September 6, 1980

Another man is found dead, strangled by the Doctor's scarf, so the Doctor is put on trial. By some of the archaic rules…

The Leisure Hive (3) poster

The Leisure Hive (3) 6.5

September 13, 1980

With the Doctor suffering from the time experiment, the clandestine schemes of others start coming to light, along with…

The Leisure Hive (4) poster

The Leisure Hive (4) 6.5

September 20, 1980

With the saboteur and murderer revealed and arrested, peace should now be restored, but a new threat emerges - a war-mo…

Meglos (1) poster

Meglos (1) 5.3

September 27, 1980

The desert planet Zolpha-Thura, the 1980s. Giant intelligent megalomaniac cactus Meglos is planning to conquer the gala…

Meglos (2) poster

Meglos (2) 6.0

October 4, 1980

With the TARDIS occupants trapped in a chronic histeratic loop (forever reliving the same moment in time), the devious …

Meglos (3) poster

Meglos (3) 6.0

October 11, 1980

Can Romana escape the Gaztaks ? What has become of the Dodecahedron ? What pressing appointment awaits the Doctor ?

Meglos (4) poster

Meglos (4) 6.0

October 18, 1980

With the Doctor about to be ritualistically sacrificed to appease the god Ti for stealing the dodecahedron, Meglos and …

Full Circle (1) poster

Full Circle (1) 6.3

October 25, 1980

Deep space, an unknown time - on course for Gallifrey, the TARDIS passes through a strange disruption. When they materi…

Full Circle (2) poster

Full Circle (2) 6.5

November 1, 1980

As the humanoid community takes refuge in their crashed spaceship, venomous marsh spiders begin to hatch from the local…

Full Circle (3) poster

Full Circle (3) 6.5

November 8, 1980

Infection from a spider bite causes Romana's personality to change. Meanwhile the Doctor, after discovering that the sp…

Full Circle (4) poster

Full Circle (4) 6.5

November 15, 1980

Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship's inhabit…

State of Decay (1) poster

State of Decay (1) 6.3

November 22, 1980

Still trapped in negative E-Space, the TARDIS lands on an unnamed world to find a society sliding back into feudalism. …

State of Decay (2) poster

State of Decay (2) 6.0

November 29, 1980

The Doctor and Romana are escorted to the tower to meet the royal leaders, hoping they can find answers to why this soc…

State of Decay (3) poster

State of Decay (3) 6.0

December 6, 1980

The Doctor finds archive material in the TARDIS that tells him he's dealing with an ancient enemy of the Time Lords, a …

State of Decay (4) poster

State of Decay (4) 6.0

December 13, 1980

The Doctor joins the villagers' revolt against their vampire rulers, unsure how to kill the king vampire. Meanwhile Adr…

Warriors' Gate (1) poster

Warriors' Gate (1) 5.7

January 3, 1981

The TARDIS is drawn into an empty white void, somewhere between universes. But they are not the only ones trapped there.

Warriors' Gate (2) poster

Warriors' Gate (2) 6.0

January 10, 1981

When Rorvik learns that Romana is a time sensitive, he takes her prisoner, forcing her to find a way out of the void. T…

Warriors' Gate (3) poster

Warriors' Gate (3) 6.0

January 17, 1981

While Biroc leads the Doctor to a view of the Tharil's lordly past, Romana learns more about the damaged freighter and …

Warriors' Gate (4) poster

Warriors' Gate (4) 6.0

January 24, 1981

The Doctor deduces that the freighter is a slave ship loaded up with Tharils to be sold as time machine components, but…

The Keeper of Traken (1) poster

The Keeper of Traken (1) 6.3

January 31, 1981

The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Kee…

The Keeper of Traken (2) poster

The Keeper of Traken (2) 6.0

February 7, 1981

Tremas claims consular privilege to protect the Doctor and Adric from execution, though it binds his fate to theirs if …

The Keeper of Traken (3) poster

The Keeper of Traken (3) 6.0

February 14, 1981

With Tremas falling under suspicion, due to his association with the Doctor, a new Keeper Nominate is named. Now, with …

The Keeper of Traken (4) poster

The Keeper of Traken (4) 6.0

February 21, 1981

With the merciless Melkur in control of The Source, the Doctor and his allies have only a slim chance of deposing him, …

Logopolis (1) poster

Logopolis (1) 7.2

February 28, 1981

Deciding to repair the TARDIS' chameleon circuit, the Doctor goes to Earth to find a real police box. But an old enemy …

Logopolis (2) poster

Logopolis (2) 7.3

March 7, 1981

The Doctor, aware that his time may soon be ending, travels to the Logopolis where a series of fateful events are set i…

Logopolis (3) poster

Logopolis (3) 7.3

March 14, 1981

With Nyssa from Traken unexpectedly rejoining the group, Adric aids the Monitor of Logopolis in trying to save the Doct…

Logopolis (4) poster

Logopolis (4) 8.7

March 21, 1981

With the universe collapsing, the Doctor forms an uneasy alliance with the Master to save it. In case all does not go w…