Doctor Who - Season 18

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 (while other story arcs would be linked together via people, objects, etc, the use of an overarching theme for a season was unprecedented). This theme would eventually foreshadow and culminate in the Doctor's regeneration at the end of the season.

28 Episodes

The Leisure Hive (1)

Season 18 - Episode 1

The planet Argolis, around the year 2290. The Argolins live in a huge shielded city, protected from the irradiated wasteland outside. The pl...

The Leisure Hive (2)

Season 18 - Episode 2

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

The Leisure Hive (3)

Season 18 - Episode 3

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

The Leisure Hive (4)

Season 18 - Episode 4

With the saboteur and murderer revealed and arrested, peace should now be restored, but a new threat emerges - a war-monger who's both ready...

Meglos (1)

Season 18 - Episode 5

The desert planet Zolpha-Thura, the 1980s. Giant intelligent megalomaniac cactus Meglos is planning to conquer the galaxy but first it needs...

Meglos (2)

Season 18 - Episode 6

With the TARDIS occupants trapped in a chronic histeratic loop (forever reliving the same moment in time), the devious Meglos - disguised as...

Meglos (3)

Season 18 - Episode 7

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

Meglos (4)

Season 18 - Episode 8

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

Full Circle (1)

Season 18 - Episode 9

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

Full Circle (2)

Season 18 - Episode 10

As the humanoid community takes refuge in their crashed spaceship, venomous marsh spiders begin to hatch from the local fruit while bestial ...

Full Circle (3)

Season 18 - Episode 11

Infection from a spider bite causes Romana's personality to change. Meanwhile the Doctor, after discovering that the spaceship society is in...

Full Circle (4)

Season 18 - Episode 12

Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship's inhabitants flee for their l...

State of Decay (1)

Season 18 - Episode 13

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

State of Decay (2)

Season 18 - Episode 14

The Doctor and Romana are escorted to the tower to meet the royal leaders, hoping they can find answers to why this society evolves backward...

State of Decay (3)

Season 18 - Episode 15

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

State of Decay (4)

Season 18 - Episode 16

The Doctor joins the villagers' revolt against their vampire rulers, unsure how to kill the king vampire. Meanwhile Adric is first in line t...

Warriors' Gate (1)

Season 18 - Episode 17

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

Warriors' Gate (2)

Season 18 - Episode 18

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

Warriors' Gate (3)

Season 18 - Episode 19

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

Warriors' Gate (4)

Season 18 - Episode 20

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

The Keeper of Traken (1)

Season 18 - Episode 21

The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Keeper. But now the Keep...

The Keeper of Traken (2)

Season 18 - Episode 22

Tremas claims consular privilege to protect the Doctor and Adric from execution, though it binds his fate to theirs if they're found guilty ...

The Keeper of Traken (3)

Season 18 - Episode 23

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

The Keeper of Traken (4)

Season 18 - Episode 24

With the merciless Melkur in control of The Source, the Doctor and his allies have only a slim chance of deposing him, which also puts the p...

Logopolis (1)

Season 18 - Episode 25

Deciding to repair the TARDIS' chameleon circuit, the Doctor goes to Earth to find a real police box. But an old enemy is one step ahead of ...

Logopolis (2)

Season 18 - Episode 26

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

Logopolis (3)

Season 18 - Episode 27

With Nyssa from Traken unexpectedly rejoining the group, Adric aids the Monitor of Logopolis in trying to save the Doctor before time runs o...

Logopolis (4)

Season 18 - Episode 28

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