Season 20
(1983)
Overview
Structurally, the season retread season 18's formula of including a trilogy of stories bound together by an overarching theme. In this instance, the tripartite tale involved Turlough's attempts to kill the Doctor at the behest of the Black Guardian.
Cast
Episodes
Arc of Infinity (1) 6.3
January 3, 1983
On Gallifrey, someone on the high council is perpetrating a treasonous act - transmitting the Doctor's bio-extract from…
Arc of Infinity (2) 6.5
January 5, 1983
With an anti-matter being trying to enter the universe through the Doctor, risking the destruction of everything, there…
Arc of Infinity (3) 6.5
January 11, 1983
Something seemed amiss about the Doctor's execution, so the Castellan has Commander Maxil discreetly but fully look it.…
Arc of Infinity (4) 6.5
January 12, 1983
The High Council creates a distraction so the Doctor and Nyssa can find Omega on Earth and prevent his reentry into our…
Snakedance (1) 6.3
January 18, 1983
Tegan steers the TARDIS to the planet Manussa, without meaning to - but why? And is it a coincidence that the planet is…
Snakedance (2) 6.0
January 19, 1983
The Doctor talks to Ambril and Chela to try and stop the 500th anniversary celebrations. A possessed Tegan finds hersel…
Snakedance (3) 6.0
January 25, 1983
The possessed Tegan and Lon try to find the whereabouts of the Great Crystal. The Doctor finds himself in prison, with …
Snakedance (4) 6.0
January 26, 1983
The Doctor and the original snakedancer Dojjen work to rid the planet of the Mara.
Mawdryn Undead (1) 6.7
February 1, 1983
The Doctor discovers a starship trapped in a time warp over Earth. Meanwhile, public schoolboy - and secret alien émigr…
Mawdryn Undead (2) 6.0
February 2, 1983
The TARDIS lands on Earth six years out of date, stranding the Doctor in 1983 while leaving Tegan and Nyssa to look for…
Mawdryn Undead (3) 6.0
February 8, 1983
Mawdryn and his eternal mutants reveal the truth: they are exiles, they are in pain and need the Doctor's future 'lives…
Mawdryn Undead (4) 6.0
February 9, 1983
As the Doctor's ethics are challenged and the two Brigadiers finally meet, Turlough plots with the Black Guardian to br…
Terminus (1) 6.3
February 15, 1983
Deep space, some time in the future. Still following the Black Guardian's orders, Turlough sabotages the TARDIS, forcin…
Terminus (2) 6.5
February 16, 1983
The Doctor's party remains divided and scattered as the immense transport docks at the Terminus space station, which tu…
Terminus (3) 6.0
February 22, 1983
Since the Doctor's party represents neither lazars nor handlers, they're presumed to be investigators, which is enough …
Terminus (4) 6.0
February 23, 1983
In attempting to reopen a doorway into the TARDIS, Turlough activates Terminus' automated fuel-jettisoning sequence. Th…
Enlightenment (1) 7.0
March 1, 1983
After receiving a warning from the White Guardian, the Doctor initially believes the TARDIS has landed aboard an Edward…
Enlightenment (2) 6.0
March 2, 1983
Captain Striker and his officers reveal themselves to be Eternals, mind-reading creatures who live outside of time and …
Enlightenment (3) 6.5
March 8, 1983
Turlough's panic puts him aboard a pirate ship where Captain Wrack uses his presence to invite all the other captains o…
Enlightenment (4) 6.0
March 9, 1983
Tegan isn't aware she been outfitted with a device to destroy Captain Striker's ship. While the detonation will merely …
The King's Demons (1) 5.3
March 15, 1983
In 1215 at the castle of Ranulf Fitzwilliam, son Hugh is jousting on a matter of honor against Sir Gillis Estram, the c…
The King's Demons (2) 6.0
March 16, 1983
England, 1215. With the historic signing of the Magna Carta supposedly only days away, the Doctor is startled to find K…