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Doctor Who Season 20 Episodes

22 Episodes 1983 - 1983

A cult favourite about the journeys through the universe of a time-travelling eccentric called the Doctor.

Episode 1

Arc of Infinity - Part 1

Thu, Jan 13, 1983 43 mins

"Arc of Infinity." The Doctor is summoned home and given unwelcome news. First of four parts. Borusa: Leonard Sachs. Nyssa: Sarah Sutton. Hedin: Michael Gough.

Where to Watch

Episode 2

Arc of Infinity - Part 2

Wed, Jan 5, 1983 43 mins

"Arc of Infinity," Part 2. The Doctor's termination is forestalled by the Time Lord Omega (Ian Collier). Peter Davison. Borusa: Leonard Sachs. Nyssa: Sarah Sutton. Tegan: Janet Fielding.

Where to Watch

Episode 3

Arc of Infinity - Part 3

Tue, Jan 11, 1983 43 mins

Part 3 of "Arc of Infinity" reveals the traitor in the High Council. Peter Davison. Omega: Ian Collier. Borusa: Leonard Sachs. Hedin: Michael Gough.

Where to Watch
Doctor Who, Season 20 Episode 3 image

Episode 4

Arc of Infinity - Part 4

Wed, Jan 12, 1983 43 mins

In the conclusion of "Arc of Infinity," the Doctor and Omega engage in a battle of wits for control of the Matrix. Peter Davison. Omega: Ian Collier. Nyssa: Sarah Sutton.

Where to Watch
Doctor Who, Season 20 Episode 4 image

Episode 5

Snakedance - Part 1

Tue, Jan 18, 1983 43 mins

"Snakedance." Tegan's subconscious is infiltrated by the Mara. First of four parts. Peter Davison. Tegan: Janet Fielding. Lon: Martin Clunes. Nyssa: Sarah Sutton.

Where to Watch
Doctor Who, Season 20 Episode 5 image

Episode 6

Snakedance - Part 2

Wed, Jan 19, 1983 43 mins

"Snakedance," Part 2. The Mara takes over Lon---the first step in the domination of the Manussians. Peter Davison. Lon: Martin Clunes. Tanha: Claudette O'Neil.

Where to Watch
Doctor Who, Season 20 Episode 6 image

Episode 7

Snakedance - Part 3

Mon, Jan 24, 1983 43 mins

"Snakedance," Part 3. A mysterious snake dancer seems to be the Doctor's only hope of saving the Manussians. Peter Davison. Dojjon: Preston Lockwood. Lon: Martin Clunes.

Where to Watch
Doctor Who, Season 20 Episode 7 image

Episode 8

Snakedance - Part 4

Tue, Jan 25, 1983 43 mins

In the conclusion of "Snakedance," the Doctor engages in a battle to overcome the Mara. The Doctor: Peter Davison. Tegan: Janet Fielding. Dojjon: Preston Lockwood. Lon: Martin Clunes.

Where to Watch
Doctor Who, Season 20 Episode 8 image

Episode 9

Mawdryn Undead - Part 1

Tue, Feb 1, 1983 43 mins

"Mawdryn Undead." The Doctor and his companions are separated after they arrive on a mysterious spaceship. First of four parts. Peter Davison. Turlough: Mark Strickson. Black Guardian: Valentine Dyall.

Where to Watch

Episode 10

Mawdryn Undead - Part 2

Wed, Feb 2, 1983 43 mins

"Mawdryn Undead," Part 2. On Earth, Nyssa and Tegan stumble across a body they believe to be the Doctor. Peter Davison, Sarah Sutton, Janet Fielding. Brigadier: Nicholas Courtney.

Where to Watch

Episode 11

Mawdryn Undead - Part 3

Tue, Feb 8, 1983 43 mins

In Part 3 of "Mawdryn Undead," the mutant reveals his true identity to the Doctor (Peter Davison). Mawdryn: David Collings. Brigadier: Nicholas Courtney.

Where to Watch

Episode 12

Mawdryn Undead - Part 4

Wed, Feb 9, 1983 43 mins

In the conclusion of "Mawdryn Undead," the two Brigadiers help the Doctor free Nyssa and Tegan from the grasp of Mawdryn. Peter Davison. Brigadier: Nicholas Courtney. Mawdryn: David Collings.

Where to Watch
Doctor Who, Season 20 Episode 12 image

Episode 13

Terminus - Part 1

Wed, Feb 23, 1983 43 mins

"Terminus." the TARDIS links up with a deserted space liner. First of four parts. Peter Davison. Kari: Liza Goddard. Olvir: Dominic Guard. Turlough: Mark Strickson. Nyssa: Sarah Sutton.

Where to Watch
Doctor Who, Season 20 Episode 13 image

Episode 14

Terminus - Part 2

Tue, Feb 22, 1983 43 mins

Part 2. The Doctor and his companions encounter space lepers on "Terminus." Peter Davison. Olvir: Dominic Guard. Kari: Liza Goddard.

Where to Watch
Doctor Who, Season 20 Episode 14 image

Episode 15

Terminus - Part 3

Tue, Mar 1, 1983 43 mins

"Terminus," Part 3. Nyssa contracts Lazar disease and is taken to the forbidden area with the other sufferers. Peter Davison, Sarah Sutton. Kari: Liza Goddard.

Where to Watch
Doctor Who, Season 20 Episode 15 image

Episode 16

Terminus - Part 4

Tue, Mar 8, 1983 43 mins

In the conclusion of "Terminus," the Doctor enlists the aid of the Garm to prevent the destruction of the universe. Peter Davison, Sarah Sutton. The Garm: R.J. Bell. Olvir: Dominic Guard. Kari: Liza Goddard.

Where to Watch
Doctor Who, Season 20 Episode 16 image

Episode 17

Enlightenment - Part 1

Tue, Mar 1, 1983 43 mins

"Enlightenment." The Doctor finds himself on a spaceship that resembles an Edwardian yacht. First of four parts. Peter Davison. Turlough: Mark Strickson. Black Guardian: Valentine Dyall. Striker: Keith Barron.

Where to Watch
Doctor Who, Season 20 Episode 17 image

Episode 18

Enlightenment - Part 2

Wed, Mar 2, 1983 43 mins

"Enlightenment," Part 2. The Eternals explain their "amusements" to the Doctor. Peter Davison. Striker: Keith Barron. Turlough: Mark Strickson. White Guardian: Cyril Luckham.

Where to Watch
Doctor Who, Season 20 Episode 18 image

Episode 19

Enlightenment - Part 3

Tue, Mar 8, 1983 43 mins

In the third part of "Enlightenment," Turlough encounters the female commander of a pirate ship. Peter Davison. Turlough: Mark Strickson. Wrack: Lynda Baron. Striker: Keith Barron.

Where to Watch
Doctor Who, Season 20 Episode 19 image

Episode 20

Enlightenment - Part 4

Wed, Mar 9, 1983 43 mins

Conclusion. The Guardians offer "Enlightenment" to the Doctor (Peter Davison). White Guardian: Cyril Luckham. Black Guardian: Valentine Dyall.

Where to Watch
Doctor Who, Season 20 Episode 20 image

Episode 21

The King's Demons - Part 1

Tue, Mar 15, 1983 43 mins

"The King's Demons." The Doctor interrupts a jousting match and meets England's King John. First of two parts. Peter Davison. Sir Gilles: Anthony Ainley. King: Gerald Flood. Turlough: Mark Strickson.

Where to Watch
Doctor Who, Season 20 Episode 21 image

Episode 22

The King's Demons - Part 2

Wed, Mar 16, 1983 43 mins

In the conclusion of "The King's Demons," the Master tries to thwart the Magna Carta. Peter Davison. King: Gerald Flood. Gilles: Anthony Ainley. Ranulf: Frank Windsor. Turlough: Mark Strickson.

Where to Watch
Doctor Who, Season 20 Episode 22 image